31430466

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:172

約数の個数: 72

約数和(自身を含む): 74355840

約数和(自身を除く): 42925374

約数列:

[1, 2, 3, 6, 9, 18, 23, 31, 46, 62, 69, 79, 93, 138, 158, 186, 207, 237, 279, 414, 474, 558, 711, 713, 961, 1422, 1426, 1817, 1922, 2139, 2449, 2883, 3634, 4278, 4898, 5451, 5766, 6417, 7347, 8649, 10902, 12834, 14694, 16353, 17298, 22041, 22103, 32706, 44082, 44206, 56327, 66309, 75919, 112654, 132618, 151838, 168981, 198927, 227757, 337962, 397854, 455514, 506943, 683271, 1013886, 1366542, 1746137, 3492274, 5238411, 10476822, 15715233, 31430466]

約数ペア:

[(1, 31430466), (2, 15715233), (3, 10476822), (6, 5238411), (9, 3492274), (18, 1746137), (23, 1366542), (31, 1013886), (46, 683271), (62, 506943), (69, 455514), (79, 397854), (93, 337962), (138, 227757), (158, 198927), (186, 168981), (207, 151838), (237, 132618), (279, 112654), (414, 75919), (474, 66309), (558, 56327), (711, 44206), (713, 44082), (961, 32706), (1422, 22103), (1426, 22041), (1817, 17298), (1922, 16353), (2139, 14694), (2449, 12834), (2883, 10902), (3634, 8649), (4278, 7347), (4898, 6417), (5451, 5766)]