1213883990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{84239}}^1$

素因数の和:84388

約数の個数: 32

約数和(自身を含む): 2401850880

約数和(自身を除く): 1187966890

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 131, 262, 655, 1310, 1441, 2882, 7205, 14410, 84239, 168478, 421195, 842390, 926629, 1853258, 4633145, 9266290, 11035309, 22070618, 55176545, 110353090, 121388399, 242776798, 606941995, 1213883990]

約数ペア:

[(1, 1213883990), (2, 606941995), (5, 242776798), (10, 121388399), (11, 110353090), (22, 55176545), (55, 22070618), (110, 11035309), (131, 9266290), (262, 4633145), (655, 1853258), (1310, 926629), (1441, 842390), (2882, 421195), (7205, 168478), (14410, 84239)]