388977918

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{541}}^1$

素因数の和:642

約数の個数: 128

約数和(自身を含む): 1011502080

約数和(自身を除く): 622524162

約数列:

[1, 2, 3, 6, 7, 14, 17, 19, 21, 34, 38, 42, 51, 53, 57, 102, 106, 114, 119, 133, 159, 238, 266, 318, 323, 357, 371, 399, 541, 646, 714, 742, 798, 901, 969, 1007, 1082, 1113, 1623, 1802, 1938, 2014, 2226, 2261, 2703, 3021, 3246, 3787, 4522, 5406, 6042, 6307, 6783, 7049, 7574, 9197, 10279, 11361, 12614, 13566, 14098, 17119, 18394, 18921, 20558, 21147, 22722, 27591, 28673, 30837, 34238, 37842, 42294, 51357, 55182, 57346, 61674, 64379, 71953, 86019, 102714, 119833, 128758, 143906, 172038, 174743, 193137, 200711, 215859, 239666, 349486, 359499, 386274, 401422, 431718, 487441, 524229, 544787, 602133, 718998, 974882, 1048458, 1089574, 1204266, 1223201, 1462323, 1634361, 2446402, 2924646, 3268722, 3412087, 3669603, 3813509, 6824174, 7339206, 7627018, 9261379, 10236261, 11440527, 18522758, 20472522, 22881054, 27784137, 55568274, 64829653, 129659306, 194488959, 388977918]

約数ペア:

[(1, 388977918), (2, 194488959), (3, 129659306), (6, 64829653), (7, 55568274), (14, 27784137), (17, 22881054), (19, 20472522), (21, 18522758), (34, 11440527), (38, 10236261), (42, 9261379), (51, 7627018), (53, 7339206), (57, 6824174), (102, 3813509), (106, 3669603), (114, 3412087), (119, 3268722), (133, 2924646), (159, 2446402), (238, 1634361), (266, 1462323), (318, 1223201), (323, 1204266), (357, 1089574), (371, 1048458), (399, 974882), (541, 718998), (646, 602133), (714, 544787), (742, 524229), (798, 487441), (901, 431718), (969, 401422), (1007, 386274), (1082, 359499), (1113, 349486), (1623, 239666), (1802, 215859), (1938, 200711), (2014, 193137), (2226, 174743), (2261, 172038), (2703, 143906), (3021, 128758), (3246, 119833), (3787, 102714), (4522, 86019), (5406, 71953), (6042, 64379), (6307, 61674), (6783, 57346), (7049, 55182), (7574, 51357), (9197, 42294), (10279, 37842), (11361, 34238), (12614, 30837), (13566, 28673), (14098, 27591), (17119, 22722), (18394, 21147), (18921, 20558)]