256873812

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53117}}^1$

素因数の和:53168

約数の個数: 48

約数和(自身を含む): 666312192

約数和(自身を除く): 409438380

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 4836, 53117, 106234, 159351, 212468, 318702, 637404, 690521, 1381042, 1646627, 2071563, 2762084, 3293254, 4143126, 4939881, 6586508, 8286252, 9879762, 19759524, 21406151, 42812302, 64218453, 85624604, 128436906, 256873812]

約数ペア:

[(1, 256873812), (2, 128436906), (3, 85624604), (4, 64218453), (6, 42812302), (12, 21406151), (13, 19759524), (26, 9879762), (31, 8286252), (39, 6586508), (52, 4939881), (62, 4143126), (78, 3293254), (93, 2762084), (124, 2071563), (156, 1646627), (186, 1381042), (372, 690521), (403, 637404), (806, 318702), (1209, 212468), (1612, 159351), (2418, 106234), (4836, 53117)]