31368012

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{557}}^1$

素因数の和:615

約数の個数: 72

約数和(自身を含む): 83338416

約数和(自身を除く): 51970404

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 361, 494, 557, 722, 741, 988, 1083, 1114, 1444, 1482, 1671, 2166, 2228, 2964, 3342, 4332, 4693, 6684, 7241, 9386, 10583, 14079, 14482, 18772, 21166, 21723, 28158, 28964, 31749, 42332, 43446, 56316, 63498, 86892, 126996, 137579, 201077, 275158, 402154, 412737, 550316, 603231, 804308, 825474, 1206462, 1650948, 2412924, 2614001, 5228002, 7842003, 10456004, 15684006, 31368012]

約数ペア:

[(1, 31368012), (2, 15684006), (3, 10456004), (4, 7842003), (6, 5228002), (12, 2614001), (13, 2412924), (19, 1650948), (26, 1206462), (38, 825474), (39, 804308), (52, 603231), (57, 550316), (76, 412737), (78, 402154), (114, 275158), (156, 201077), (228, 137579), (247, 126996), (361, 86892), (494, 63498), (557, 56316), (722, 43446), (741, 42332), (988, 31749), (1083, 28964), (1114, 28158), (1444, 21723), (1482, 21166), (1671, 18772), (2166, 14482), (2228, 14079), (2964, 10583), (3342, 9386), (4332, 7241), (4693, 6684)]