215839684

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{43481}}^1$

素因数の和:43575

約数の個数: 24

約数和(自身を含む): 405426168

約数和(自身を除く): 189586484

約数列:

[1, 2, 4, 17, 34, 68, 73, 146, 292, 1241, 2482, 4964, 43481, 86962, 173924, 739177, 1478354, 2956708, 3174113, 6348226, 12696452, 53959921, 107919842, 215839684]

約数ペア:

[(1, 215839684), (2, 107919842), (4, 53959921), (17, 12696452), (34, 6348226), (68, 3174113), (73, 2956708), (146, 1478354), (292, 739177), (1241, 173924), (2482, 86962), (4964, 43481)]