28028990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{13411}}^1$

素因数の和:13448

約数の個数: 32

約数和(自身を含む): 57939840

約数和(自身を除く): 29910850

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 13411, 26822, 67055, 134110, 147521, 254809, 295042, 509618, 737605, 1274045, 1475210, 2548090, 2802899, 5605798, 14014495, 28028990]

約数ペア:

[(1, 28028990), (2, 14014495), (5, 5605798), (10, 2802899), (11, 2548090), (19, 1475210), (22, 1274045), (38, 737605), (55, 509618), (95, 295042), (110, 254809), (190, 147521), (209, 134110), (418, 67055), (1045, 26822), (2090, 13411)]