69997808

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{101741}}^1$

素因数の和:101792

約数の個数: 20

約数和(自身を含む): 138776088

約数和(自身を除く): 68778280

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 101741, 203482, 406964, 813928, 1627856, 4374863, 8749726, 17499452, 34998904, 69997808]

約数ペア:

[(1, 69997808), (2, 34998904), (4, 17499452), (8, 8749726), (16, 4374863), (43, 1627856), (86, 813928), (172, 406964), (344, 203482), (688, 101741)]