42812990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{13421}}^1$

素因数の和:13468

約数の個数: 32

約数和(自身を含む): 86974560

約数和(自身を除く): 44161570

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 13421, 26842, 67105, 134210, 147631, 295262, 389209, 738155, 778418, 1476310, 1946045, 3892090, 4281299, 8562598, 21406495, 42812990]

約数ペア:

[(1, 42812990), (2, 21406495), (5, 8562598), (10, 4281299), (11, 3892090), (22, 1946045), (29, 1476310), (55, 778418), (58, 738155), (110, 389209), (145, 295262), (290, 147631), (319, 134210), (638, 67105), (1595, 26842), (3190, 13421)]