64457690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{30841}}^1$

素因数の和:30878

約数の個数: 32

約数和(自身を含む): 133237440

約数和(自身を除く): 68779750

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 30841, 61682, 154205, 308410, 339251, 585979, 678502, 1171958, 1696255, 2929895, 3392510, 5859790, 6445769, 12891538, 32228845, 64457690]

約数ペア:

[(1, 64457690), (2, 32228845), (5, 12891538), (10, 6445769), (11, 5859790), (19, 3392510), (22, 2929895), (38, 1696255), (55, 1171958), (95, 678502), (110, 585979), (190, 339251), (209, 308410), (418, 154205), (1045, 61682), (2090, 30841)]