637650416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{180331}}^1$

素因数の和:180369

約数の個数: 40

約数和(自身を含む): 1408753584

約数和(自身を除く): 771103168

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 180331, 360662, 721324, 1442648, 2344303, 2885296, 3065627, 4688606, 6131254, 9377212, 12262508, 18754424, 24525016, 37508848, 39853151, 49050032, 79706302, 159412604, 318825208, 637650416]

約数ペア:

[(1, 637650416), (2, 318825208), (4, 159412604), (8, 79706302), (13, 49050032), (16, 39853151), (17, 37508848), (26, 24525016), (34, 18754424), (52, 12262508), (68, 9377212), (104, 6131254), (136, 4688606), (208, 3065627), (221, 2885296), (272, 2344303), (442, 1442648), (884, 721324), (1768, 360662), (3536, 180331)]