28201690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{571}}^1$

素因数の和:1038

約数の個数: 32

約数和(自身を含む): 55598400

約数和(自身を除く): 27396710

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 449, 571, 898, 1142, 2245, 2855, 4490, 4939, 5710, 6281, 9878, 12562, 24695, 31405, 49390, 62810, 256379, 512758, 1281895, 2563790, 2820169, 5640338, 14100845, 28201690]

約数ペア:

[(1, 28201690), (2, 14100845), (5, 5640338), (10, 2820169), (11, 2563790), (22, 1281895), (55, 512758), (110, 256379), (449, 62810), (571, 49390), (898, 31405), (1142, 24695), (2245, 12562), (2855, 9878), (4490, 6281), (4939, 5710)]