81886584

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^3\times {\mathrm{1553}}^1$

素因数の和:1601

約数の個数: 64

約数和(自身を含む): 221911200

約数和(自身を除く): 140024616

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 169, 312, 338, 507, 676, 1014, 1352, 1553, 2028, 2197, 3106, 4056, 4394, 4659, 6212, 6591, 8788, 9318, 12424, 13182, 17576, 18636, 20189, 26364, 37272, 40378, 52728, 60567, 80756, 121134, 161512, 242268, 262457, 484536, 524914, 787371, 1049828, 1574742, 2099656, 3149484, 3411941, 6298968, 6823882, 10235823, 13647764, 20471646, 27295528, 40943292, 81886584]

約数ペア:

[(1, 81886584), (2, 40943292), (3, 27295528), (4, 20471646), (6, 13647764), (8, 10235823), (12, 6823882), (13, 6298968), (24, 3411941), (26, 3149484), (39, 2099656), (52, 1574742), (78, 1049828), (104, 787371), (156, 524914), (169, 484536), (312, 262457), (338, 242268), (507, 161512), (676, 121134), (1014, 80756), (1352, 60567), (1553, 52728), (2028, 40378), (2197, 37272), (3106, 26364), (4056, 20189), (4394, 18636), (4659, 17576), (6212, 13182), (6591, 12424), (8788, 9318)]