12721478

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{11801}}^1$

素因数の和:11828

約数の個数: 24

約数和(自身を含む): 24217704

約数和(自身を除く): 11496226

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 11801, 23602, 82607, 129811, 165214, 259622, 578249, 908677, 1156498, 1817354, 6360739, 12721478]

約数ペア:

[(1, 12721478), (2, 6360739), (7, 1817354), (11, 1156498), (14, 908677), (22, 578249), (49, 259622), (77, 165214), (98, 129811), (154, 82607), (539, 23602), (1078, 11801)]