71572487

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1303}}^1$

素因数の和:1395

約数の個数: 24

約数和(自身を含む): 89193600

約数和(自身を除く): 17621113

約数列:

[1, 7, 19, 49, 59, 133, 413, 931, 1121, 1303, 2891, 7847, 9121, 24757, 54929, 63847, 76877, 173299, 538139, 1213093, 1460663, 3766973, 10224641, 71572487]

約数ペア:

[(1, 71572487), (7, 10224641), (19, 3766973), (49, 1460663), (59, 1213093), (133, 538139), (413, 173299), (931, 76877), (1121, 63847), (1303, 54929), (2891, 24757), (7847, 9121)]