678653216

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{281}}^1\times {\mathrm{1063}}^1$

素因数の和:1425

約数の個数: 48

約数和(自身を含む): 1361017728

約数和(自身を除く): 682364512

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 281, 284, 562, 568, 1063, 1124, 1136, 2126, 2248, 2272, 4252, 4496, 8504, 8992, 17008, 19951, 34016, 39902, 75473, 79804, 150946, 159608, 298703, 301892, 319216, 597406, 603784, 638432, 1194812, 1207568, 2389624, 2415136, 4779248, 9558496, 21207913, 42415826, 84831652, 169663304, 339326608, 678653216]

約数ペア:

[(1, 678653216), (2, 339326608), (4, 169663304), (8, 84831652), (16, 42415826), (32, 21207913), (71, 9558496), (142, 4779248), (281, 2415136), (284, 2389624), (562, 1207568), (568, 1194812), (1063, 638432), (1124, 603784), (1136, 597406), (2126, 319216), (2248, 301892), (2272, 298703), (4252, 159608), (4496, 150946), (8504, 79804), (8992, 75473), (17008, 39902), (19951, 34016)]