1997691312

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{727}}^1$

素因数の和:911

約数の個数: 160

約数和(自身を含む): 5719633920

約数和(自身を除く): 3721942608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 23, 24, 38, 46, 48, 57, 69, 76, 92, 114, 131, 138, 152, 184, 228, 262, 276, 304, 368, 393, 437, 456, 524, 552, 727, 786, 874, 912, 1048, 1104, 1311, 1454, 1572, 1748, 2096, 2181, 2489, 2622, 2908, 3013, 3144, 3496, 4362, 4978, 5244, 5816, 6026, 6288, 6992, 7467, 8724, 9039, 9956, 10488, 11632, 12052, 13813, 14934, 16721, 17448, 18078, 19912, 20976, 24104, 27626, 29868, 33442, 34896, 36156, 39824, 41439, 48208, 50163, 55252, 57247, 59736, 66884, 72312, 82878, 95237, 100326, 110504, 114494, 119472, 133768, 144624, 165756, 171741, 190474, 200652, 221008, 228988, 267536, 285711, 317699, 331512, 343482, 380948, 401304, 457976, 571422, 635398, 663024, 686964, 761896, 802608, 915952, 953097, 1142844, 1270796, 1373928, 1523792, 1809503, 1906194, 2190451, 2285688, 2541592, 2747856, 3619006, 3812388, 4380902, 4571376, 5083184, 5428509, 6571353, 7238012, 7624776, 8761804, 10857018, 13142706, 14476024, 15249552, 17523608, 21714036, 26285412, 28952048, 35047216, 41618569, 43428072, 52570824, 83237138, 86856144, 105141648, 124855707, 166474276, 249711414, 332948552, 499422828, 665897104, 998845656, 1997691312]

約数ペア:

[(1, 1997691312), (2, 998845656), (3, 665897104), (4, 499422828), (6, 332948552), (8, 249711414), (12, 166474276), (16, 124855707), (19, 105141648), (23, 86856144), (24, 83237138), (38, 52570824), (46, 43428072), (48, 41618569), (57, 35047216), (69, 28952048), (76, 26285412), (92, 21714036), (114, 17523608), (131, 15249552), (138, 14476024), (152, 13142706), (184, 10857018), (228, 8761804), (262, 7624776), (276, 7238012), (304, 6571353), (368, 5428509), (393, 5083184), (437, 4571376), (456, 4380902), (524, 3812388), (552, 3619006), (727, 2747856), (786, 2541592), (874, 2285688), (912, 2190451), (1048, 1906194), (1104, 1809503), (1311, 1523792), (1454, 1373928), (1572, 1270796), (1748, 1142844), (2096, 953097), (2181, 915952), (2489, 802608), (2622, 761896), (2908, 686964), (3013, 663024), (3144, 635398), (3496, 571422), (4362, 457976), (4978, 401304), (5244, 380948), (5816, 343482), (6026, 331512), (6288, 317699), (6992, 285711), (7467, 267536), (8724, 228988), (9039, 221008), (9956, 200652), (10488, 190474), (11632, 171741), (12052, 165756), (13813, 144624), (14934, 133768), (16721, 119472), (17448, 114494), (18078, 110504), (19912, 100326), (20976, 95237), (24104, 82878), (27626, 72312), (29868, 66884), (33442, 59736), (34896, 57247), (36156, 55252), (39824, 50163), (41439, 48208)]