890351285

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{449}}^1\times {\mathrm{569}}^1$

素因数の和:1081

約数の個数: 32

約数和(自身を含む): 1163484000

約数和(自身を除く): 273132715

約数列:

[1, 5, 17, 41, 85, 205, 449, 569, 697, 2245, 2845, 3485, 7633, 9673, 18409, 23329, 38165, 48365, 92045, 116645, 255481, 312953, 396593, 1277405, 1564765, 1982965, 4343177, 10474721, 21715885, 52373605, 178070257, 890351285]

約数ペア:

[(1, 890351285), (5, 178070257), (17, 52373605), (41, 21715885), (85, 10474721), (205, 4343177), (449, 1982965), (569, 1564765), (697, 1277405), (2245, 396593), (2845, 312953), (3485, 255481), (7633, 116645), (9673, 92045), (18409, 48365), (23329, 38165)]