289222730

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1\times {\mathrm{1291}}^1$

素因数の和:1862

約数の個数: 32

約数和(自身を含む): 534143808

約数和(自身を除く): 244921078

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 521, 1042, 1291, 2582, 2605, 5210, 6455, 12910, 22403, 44806, 55513, 111026, 112015, 224030, 277565, 555130, 672611, 1345222, 3363055, 6726110, 28922273, 57844546, 144611365, 289222730]

約数ペア:

[(1, 289222730), (2, 144611365), (5, 57844546), (10, 28922273), (43, 6726110), (86, 3363055), (215, 1345222), (430, 672611), (521, 555130), (1042, 277565), (1291, 224030), (2582, 112015), (2605, 111026), (5210, 55513), (6455, 44806), (12910, 22403)]