919490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1$

素因数の和:674

約数の個数: 32

約数和(自身を含む): 1947456

約数和(自身を除く): 1027966

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 643, 715, 1286, 1430, 3215, 6430, 7073, 8359, 14146, 16718, 35365, 41795, 70730, 83590, 91949, 183898, 459745, 919490]

約数ペア:

[(1, 919490), (2, 459745), (5, 183898), (10, 91949), (11, 83590), (13, 70730), (22, 41795), (26, 35365), (55, 16718), (65, 14146), (110, 8359), (130, 7073), (143, 6430), (286, 3215), (643, 1430), (715, 1286)]