881305490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{294751}}^1$

素因数の和:294794

約数の個数: 32

約数和(自身を含む): 1782660096

約数和(自身を除く): 901354606

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 294751, 589502, 1473755, 2947510, 3831763, 6779273, 7663526, 13558546, 19158815, 33896365, 38317630, 67792730, 88130549, 176261098, 440652745, 881305490]

約数ペア:

[(1, 881305490), (2, 440652745), (5, 176261098), (10, 88130549), (13, 67792730), (23, 38317630), (26, 33896365), (46, 19158815), (65, 13558546), (115, 7663526), (130, 6779273), (230, 3831763), (299, 2947510), (598, 1473755), (1495, 589502), (2990, 294751)]