647551216

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{14087}}^1$

素因数の和:14138

約数の個数: 60

約数和(自身を含む): 1438582032

約数和(自身を除く): 791030816

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 169, 208, 221, 272, 338, 442, 676, 884, 1352, 1768, 2704, 2873, 3536, 5746, 11492, 14087, 22984, 28174, 45968, 56348, 112696, 183131, 225392, 239479, 366262, 478958, 732524, 957916, 1465048, 1915832, 2380703, 2930096, 3113227, 3831664, 4761406, 6226454, 9522812, 12452908, 19045624, 24905816, 38091248, 40471951, 49811632, 80943902, 161887804, 323775608, 647551216]

約数ペア:

[(1, 647551216), (2, 323775608), (4, 161887804), (8, 80943902), (13, 49811632), (16, 40471951), (17, 38091248), (26, 24905816), (34, 19045624), (52, 12452908), (68, 9522812), (104, 6226454), (136, 4761406), (169, 3831664), (208, 3113227), (221, 2930096), (272, 2380703), (338, 1915832), (442, 1465048), (676, 957916), (884, 732524), (1352, 478958), (1768, 366262), (2704, 239479), (2873, 225392), (3536, 183131), (5746, 112696), (11492, 56348), (14087, 45968), (22984, 28174)]