81099476

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{499}}^1\times {\mathrm{991}}^1$

素因数の和:1535

約数の個数: 24

約数和(自身を含む): 145824000

約数和(自身を除く): 64724524

約数列:

[1, 2, 4, 41, 82, 164, 499, 991, 998, 1982, 1996, 3964, 20459, 40631, 40918, 81262, 81836, 162524, 494509, 989018, 1978036, 20274869, 40549738, 81099476]

約数ペア:

[(1, 81099476), (2, 40549738), (4, 20274869), (41, 1978036), (82, 989018), (164, 494509), (499, 162524), (991, 81836), (998, 81262), (1982, 40918), (1996, 40631), (3964, 20459)]