31451290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{2141}}^1$

素因数の和:2274

約数の個数: 32

約数和(自身を含む): 61535376

約数和(自身を除く): 30084086

約数列:

[1, 2, 5, 10, 13, 26, 65, 113, 130, 226, 565, 1130, 1469, 2141, 2938, 4282, 7345, 10705, 14690, 21410, 27833, 55666, 139165, 241933, 278330, 483866, 1209665, 2419330, 3145129, 6290258, 15725645, 31451290]

約数ペア:

[(1, 31451290), (2, 15725645), (5, 6290258), (10, 3145129), (13, 2419330), (26, 1209665), (65, 483866), (113, 278330), (130, 241933), (226, 139165), (565, 55666), (1130, 27833), (1469, 21410), (2141, 14690), (2938, 10705), (4282, 7345)]