12915890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1361}}^1$

素因数の和:1454

約数の個数: 32

約数和(自身を含む): 25398576

約数和(自身を除く): 12482686

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 365, 730, 949, 1361, 1898, 2722, 4745, 6805, 9490, 13610, 17693, 35386, 88465, 99353, 176930, 198706, 496765, 993530, 1291589, 2583178, 6457945, 12915890]

約数ペア:

[(1, 12915890), (2, 6457945), (5, 2583178), (10, 1291589), (13, 993530), (26, 496765), (65, 198706), (73, 176930), (130, 99353), (146, 88465), (365, 35386), (730, 17693), (949, 13610), (1361, 9490), (1898, 6805), (2722, 4745)]