86641672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:470

約数の個数: 64

約数和(自身を含む): 185976000

約数和(自身を除く): 99334328

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 163, 247, 269, 326, 494, 538, 652, 988, 1076, 1304, 1976, 2119, 2152, 3097, 3497, 4238, 5111, 6194, 6994, 8476, 10222, 12388, 13988, 16952, 20444, 24776, 27976, 40261, 40888, 43847, 66443, 80522, 87694, 132886, 161044, 175388, 265772, 322088, 350776, 531544, 570011, 833093, 1140022, 1666186, 2280044, 3332372, 4560088, 6664744, 10830209, 21660418, 43320836, 86641672]

約数ペア:

[(1, 86641672), (2, 43320836), (4, 21660418), (8, 10830209), (13, 6664744), (19, 4560088), (26, 3332372), (38, 2280044), (52, 1666186), (76, 1140022), (104, 833093), (152, 570011), (163, 531544), (247, 350776), (269, 322088), (326, 265772), (494, 175388), (538, 161044), (652, 132886), (988, 87694), (1076, 80522), (1304, 66443), (1976, 43847), (2119, 40888), (2152, 40261), (3097, 27976), (3497, 24776), (4238, 20444), (5111, 16952), (6194, 13988), (6994, 12388), (8476, 10222)]