157220726

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{5309}}^1$

素因数の和:5408

約数の個数: 32

約数和(自身を含む): 272976480

約数和(自身を除く): 115755754

約数列:

[1, 2, 13, 17, 26, 34, 67, 134, 221, 442, 871, 1139, 1742, 2278, 5309, 10618, 14807, 29614, 69017, 90253, 138034, 180506, 355703, 711406, 1173289, 2346578, 4624139, 6046951, 9248278, 12093902, 78610363, 157220726]

約数ペア:

[(1, 157220726), (2, 78610363), (13, 12093902), (17, 9248278), (26, 6046951), (34, 4624139), (67, 2346578), (134, 1173289), (221, 711406), (442, 355703), (871, 180506), (1139, 138034), (1742, 90253), (2278, 69017), (5309, 29614), (10618, 14807)]