404705984

素因数分解:

$2^6\times {\mathrm{349}}^1\times {\mathrm{18119}}^1$

素因数の和:18480

約数の個数: 28

約数和(自身を含む): 805434000

約数和(自身を除く): 400728016

約数列:

[1, 2, 4, 8, 16, 32, 64, 349, 698, 1396, 2792, 5584, 11168, 18119, 22336, 36238, 72476, 144952, 289904, 579808, 1159616, 6323531, 12647062, 25294124, 50588248, 101176496, 202352992, 404705984]

約数ペア:

[(1, 404705984), (2, 202352992), (4, 101176496), (8, 50588248), (16, 25294124), (32, 12647062), (64, 6323531), (349, 1159616), (698, 579808), (1396, 289904), (2792, 144952), (5584, 72476), (11168, 36238), (18119, 22336)]