68378726

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2309}}^1$

素因数の和:2408

約数の個数: 32

約数和(自身を含む): 118752480

約数和(自身を除く): 50373754

約数列:

[1, 2, 13, 17, 26, 34, 67, 134, 221, 442, 871, 1139, 1742, 2278, 2309, 4618, 14807, 29614, 30017, 39253, 60034, 78506, 154703, 309406, 510289, 1020578, 2011139, 2629951, 4022278, 5259902, 34189363, 68378726]

約数ペア:

[(1, 68378726), (2, 34189363), (13, 5259902), (17, 4022278), (26, 2629951), (34, 2011139), (67, 1020578), (134, 510289), (221, 309406), (442, 154703), (871, 78506), (1139, 60034), (1742, 39253), (2278, 30017), (2309, 29614), (4618, 14807)]