2103193075

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{8461}}^1$

素因数の和:8695

約数の個数: 24

約数和(自身を含む): 2667290096

約数和(自身を除く): 564097021

約数列:

[1, 5, 25, 61, 163, 305, 815, 1525, 4075, 8461, 9943, 42305, 49715, 211525, 248575, 516121, 1379143, 2580605, 6895715, 12903025, 34478575, 84127723, 420638615, 2103193075]

約数ペア:

[(1, 2103193075), (5, 420638615), (25, 84127723), (61, 34478575), (163, 12903025), (305, 6895715), (815, 2580605), (1525, 1379143), (4075, 516121), (8461, 248575), (9943, 211525), (42305, 49715)]