13997740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 30772224

約数和(自身を除く): 16774484

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 107, 124, 155, 211, 214, 310, 422, 428, 535, 620, 844, 1055, 1070, 2110, 2140, 3317, 4220, 6541, 6634, 13082, 13268, 16585, 22577, 26164, 32705, 33170, 45154, 65410, 66340, 90308, 112885, 130820, 225770, 451540, 699887, 1399774, 2799548, 3499435, 6998870, 13997740]

約数ペア:

[(1, 13997740), (2, 6998870), (4, 3499435), (5, 2799548), (10, 1399774), (20, 699887), (31, 451540), (62, 225770), (107, 130820), (124, 112885), (155, 90308), (211, 66340), (214, 65410), (310, 45154), (422, 33170), (428, 32705), (535, 26164), (620, 22577), (844, 16585), (1055, 13268), (1070, 13082), (2110, 6634), (2140, 6541), (3317, 4220)]