219700117

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2837}}^1$

素因数の和:2917

約数の個数: 32

約数和(自身を含む): 289884672

約数和(自身を除く): 70184555

約数列:

[1, 7, 13, 23, 37, 91, 161, 259, 299, 481, 851, 2093, 2837, 3367, 5957, 11063, 19859, 36881, 65251, 77441, 104969, 258167, 456757, 734783, 848263, 1364597, 2414287, 5937841, 9552179, 16900009, 31385731, 219700117]

約数ペア:

[(1, 219700117), (7, 31385731), (13, 16900009), (23, 9552179), (37, 5937841), (91, 2414287), (161, 1364597), (259, 848263), (299, 734783), (481, 456757), (851, 258167), (2093, 104969), (2837, 77441), (3367, 65251), (5957, 36881), (11063, 19859)]