2155053890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{477839}}^1$

素因数の和:477898

約数の個数: 32

約数和(自身を含む): 4334964480

約数和(自身を除く): 2179910590

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4510, 477839, 955678, 2389195, 4778390, 5256229, 10512458, 19591399, 26281145, 39182798, 52562290, 97956995, 195913990, 215505389, 431010778, 1077526945, 2155053890]

約数ペア:

[(1, 2155053890), (2, 1077526945), (5, 431010778), (10, 215505389), (11, 195913990), (22, 97956995), (41, 52562290), (55, 39182798), (82, 26281145), (110, 19591399), (205, 10512458), (410, 5256229), (451, 4778390), (902, 2389195), (2255, 955678), (4510, 477839)]