64881770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{1091}}^1$

素因数の和:1430

約数の個数: 32

約数和(自身を含む): 123439680

約数和(自身を除く): 58557910

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 313, 626, 1091, 1565, 2182, 3130, 5455, 5947, 10910, 11894, 20729, 29735, 41458, 59470, 103645, 207290, 341483, 682966, 1707415, 3414830, 6488177, 12976354, 32440885, 64881770]

約数ペア:

[(1, 64881770), (2, 32440885), (5, 12976354), (10, 6488177), (19, 3414830), (38, 1707415), (95, 682966), (190, 341483), (313, 207290), (626, 103645), (1091, 59470), (1565, 41458), (2182, 29735), (3130, 20729), (5455, 11894), (5947, 10910)]