1640983415

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{11443}}^1$

素因数の和:11543

約数の個数: 32

約数和(自身を含む): 2175275520

約数和(自身を除く): 534292105

約数列:

[1, 5, 23, 29, 43, 115, 145, 215, 667, 989, 1247, 3335, 4945, 6235, 11443, 28681, 57215, 143405, 263189, 331847, 492049, 1315945, 1659235, 2460245, 7632481, 11317127, 14269421, 38162405, 56585635, 71347105, 328196683, 1640983415]

約数ペア:

[(1, 1640983415), (5, 328196683), (23, 71347105), (29, 56585635), (43, 38162405), (115, 14269421), (145, 11317127), (215, 7632481), (667, 2460245), (989, 1659235), (1247, 1315945), (3335, 492049), (4945, 331847), (6235, 263189), (11443, 143405), (28681, 57215)]