71239792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20147}}^1$

素因数の和:20185

約数の個数: 40

約数和(自身を含む): 157396176

約数和(自身を除く): 86156384

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 20147, 40294, 80588, 161176, 261911, 322352, 342499, 523822, 684998, 1047644, 1369996, 2095288, 2739992, 4190576, 4452487, 5479984, 8904974, 17809948, 35619896, 71239792]

約数ペア:

[(1, 71239792), (2, 35619896), (4, 17809948), (8, 8904974), (13, 5479984), (16, 4452487), (17, 4190576), (26, 2739992), (34, 2095288), (52, 1369996), (68, 1047644), (104, 684998), (136, 523822), (208, 342499), (221, 322352), (272, 261911), (442, 161176), (884, 80588), (1768, 40294), (3536, 20147)]