28666456

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^3\times {\mathrm{233}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 66830400

約数和(自身を除く): 38163944

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 169, 182, 233, 338, 364, 466, 676, 728, 932, 1183, 1352, 1631, 1864, 2197, 2366, 3029, 3262, 4394, 4732, 6058, 6524, 8788, 9464, 12116, 13048, 15379, 17576, 21203, 24232, 30758, 39377, 42406, 61516, 78754, 84812, 123032, 157508, 169624, 275639, 315016, 511901, 551278, 1023802, 1102556, 2047604, 2205112, 3583307, 4095208, 7166614, 14333228, 28666456]

約数ペア:

[(1, 28666456), (2, 14333228), (4, 7166614), (7, 4095208), (8, 3583307), (13, 2205112), (14, 2047604), (26, 1102556), (28, 1023802), (52, 551278), (56, 511901), (91, 315016), (104, 275639), (169, 169624), (182, 157508), (233, 123032), (338, 84812), (364, 78754), (466, 61516), (676, 42406), (728, 39377), (932, 30758), (1183, 24232), (1352, 21203), (1631, 17576), (1864, 15379), (2197, 13048), (2366, 12116), (3029, 9464), (3262, 8788), (4394, 6524), (4732, 6058)]