405553122

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1999}}^1$

素因数の和:2057

約数の個数: 96

約数和(自身を含む): 1031520000

約数和(自身を除く): 625966878

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 27, 34, 39, 51, 54, 78, 102, 117, 153, 221, 234, 289, 306, 351, 442, 459, 578, 663, 702, 867, 918, 1326, 1734, 1989, 1999, 2601, 3757, 3978, 3998, 5202, 5967, 5997, 7514, 7803, 11271, 11934, 11994, 15606, 17991, 22542, 25987, 33813, 33983, 35982, 51974, 53973, 67626, 67966, 77961, 101439, 101949, 107946, 155922, 202878, 203898, 233883, 305847, 441779, 467766, 577711, 611694, 701649, 883558, 917541, 1155422, 1325337, 1403298, 1733133, 1835082, 2650674, 3466266, 3976011, 5199399, 7510243, 7952022, 10398798, 11928033, 15020486, 15598197, 22530729, 23856066, 31196394, 45061458, 67592187, 135184374, 202776561, 405553122]

約数ペア:

[(1, 405553122), (2, 202776561), (3, 135184374), (6, 67592187), (9, 45061458), (13, 31196394), (17, 23856066), (18, 22530729), (26, 15598197), (27, 15020486), (34, 11928033), (39, 10398798), (51, 7952022), (54, 7510243), (78, 5199399), (102, 3976011), (117, 3466266), (153, 2650674), (221, 1835082), (234, 1733133), (289, 1403298), (306, 1325337), (351, 1155422), (442, 917541), (459, 883558), (578, 701649), (663, 611694), (702, 577711), (867, 467766), (918, 441779), (1326, 305847), (1734, 233883), (1989, 203898), (1999, 202878), (2601, 155922), (3757, 107946), (3978, 101949), (3998, 101439), (5202, 77961), (5967, 67966), (5997, 67626), (7514, 53973), (7803, 51974), (11271, 35982), (11934, 33983), (11994, 33813), (15606, 25987), (17991, 22542)]