551415995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{13487}}^1$

素因数の和:13559

約数の個数: 32

約数和(自身を含む): 774966528

約数和(自身を除く): 223550533

約数列:

[1, 5, 13, 17, 37, 65, 85, 185, 221, 481, 629, 1105, 2405, 3145, 8177, 13487, 40885, 67435, 175331, 229279, 499019, 876655, 1146395, 2495095, 2980627, 6487247, 8483323, 14903135, 32436235, 42416615, 110283199, 551415995]

約数ペア:

[(1, 551415995), (5, 110283199), (13, 42416615), (17, 32436235), (37, 14903135), (65, 8483323), (85, 6487247), (185, 2980627), (221, 2495095), (481, 1146395), (629, 876655), (1105, 499019), (2405, 229279), (3145, 175331), (8177, 67435), (13487, 40885)]