2505256

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 5435100

約数和(自身を除く): 2929844

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 109, 136, 169, 218, 221, 338, 436, 442, 676, 872, 884, 1352, 1417, 1768, 1853, 2834, 2873, 3706, 5668, 5746, 7412, 11336, 11492, 14824, 18421, 22984, 24089, 36842, 48178, 73684, 96356, 147368, 192712, 313157, 626314, 1252628, 2505256]

約数ペア:

[(1, 2505256), (2, 1252628), (4, 626314), (8, 313157), (13, 192712), (17, 147368), (26, 96356), (34, 73684), (52, 48178), (68, 36842), (104, 24089), (109, 22984), (136, 18421), (169, 14824), (218, 11492), (221, 11336), (338, 7412), (436, 5746), (442, 5668), (676, 3706), (872, 2873), (884, 2834), (1352, 1853), (1417, 1768)]