71887816

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:275

約数の個数: 128

約数和(自身を含む): 185794560

約数和(自身を除く): 113906744

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 47, 52, 56, 77, 88, 91, 94, 104, 143, 154, 182, 188, 191, 286, 308, 329, 364, 376, 382, 517, 572, 611, 616, 658, 728, 764, 1001, 1034, 1144, 1222, 1316, 1337, 1528, 2002, 2068, 2101, 2444, 2483, 2632, 2674, 3619, 4004, 4136, 4202, 4277, 4888, 4966, 5348, 6721, 7238, 8008, 8404, 8554, 8977, 9932, 10696, 13442, 14476, 14707, 16808, 17108, 17381, 17954, 19864, 26884, 27313, 28952, 29414, 34216, 34762, 35908, 47047, 53768, 54626, 58828, 62839, 69524, 71816, 94094, 98747, 109252, 116701, 117656, 125678, 139048, 188188, 191191, 197494, 218504, 233402, 251356, 376376, 382382, 394988, 466804, 502712, 691229, 764764, 789976, 816907, 933608, 1283711, 1382458, 1529528, 1633814, 2567422, 2764916, 3267628, 5134844, 5529832, 6535256, 8985977, 10269688, 17971954, 35943908, 71887816]

約数ペア:

[(1, 71887816), (2, 35943908), (4, 17971954), (7, 10269688), (8, 8985977), (11, 6535256), (13, 5529832), (14, 5134844), (22, 3267628), (26, 2764916), (28, 2567422), (44, 1633814), (47, 1529528), (52, 1382458), (56, 1283711), (77, 933608), (88, 816907), (91, 789976), (94, 764764), (104, 691229), (143, 502712), (154, 466804), (182, 394988), (188, 382382), (191, 376376), (286, 251356), (308, 233402), (329, 218504), (364, 197494), (376, 191191), (382, 188188), (517, 139048), (572, 125678), (611, 117656), (616, 116701), (658, 109252), (728, 98747), (764, 94094), (1001, 71816), (1034, 69524), (1144, 62839), (1222, 58828), (1316, 54626), (1337, 53768), (1528, 47047), (2002, 35908), (2068, 34762), (2101, 34216), (2444, 29414), (2483, 28952), (2632, 27313), (2674, 26884), (3619, 19864), (4004, 17954), (4136, 17381), (4202, 17108), (4277, 16808), (4888, 14707), (4966, 14476), (5348, 13442), (6721, 10696), (7238, 9932), (8008, 8977), (8404, 8554)]