81788752

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{2243}}^1$

素因数の和:2347

約数の個数: 40

約数和(自身を含む): 165284064

約数和(自身を除く): 83495312

約数列:

[1, 2, 4, 8, 16, 43, 53, 86, 106, 172, 212, 344, 424, 688, 848, 2243, 2279, 4486, 4558, 8972, 9116, 17944, 18232, 35888, 36464, 96449, 118879, 192898, 237758, 385796, 475516, 771592, 951032, 1543184, 1902064, 5111797, 10223594, 20447188, 40894376, 81788752]

約数ペア:

[(1, 81788752), (2, 40894376), (4, 20447188), (8, 10223594), (16, 5111797), (43, 1902064), (53, 1543184), (86, 951032), (106, 771592), (172, 475516), (212, 385796), (344, 237758), (424, 192898), (688, 118879), (848, 96449), (2243, 36464), (2279, 35888), (4486, 18232), (4558, 17944), (8972, 9116)]