12121238

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:416

約数の個数: 24

約数和(自身を含む): 19665192

約数和(自身を除く): 7543954

約数列:

[1, 2, 17, 34, 67, 134, 289, 313, 578, 626, 1139, 2278, 5321, 10642, 19363, 20971, 38726, 41942, 90457, 180914, 356507, 713014, 6060619, 12121238]

約数ペア:

[(1, 12121238), (2, 6060619), (17, 713014), (34, 356507), (67, 180914), (134, 90457), (289, 41942), (313, 38726), (578, 20971), (626, 19363), (1139, 10642), (2278, 5321)]