1252628

素因数分解:

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

素因数の和:156

約数の個数: 36

約数和(自身を含む): 2536380

約数和(自身を除く): 1283752

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 109, 169, 218, 221, 338, 436, 442, 676, 884, 1417, 1853, 2834, 2873, 3706, 5668, 5746, 7412, 11492, 18421, 24089, 36842, 48178, 73684, 96356, 313157, 626314, 1252628]

約数ペア:

[(1, 1252628), (2, 626314), (4, 313157), (13, 96356), (17, 73684), (26, 48178), (34, 36842), (52, 24089), (68, 18421), (109, 11492), (169, 7412), (218, 5746), (221, 5668), (338, 3706), (436, 2873), (442, 2834), (676, 1853), (884, 1417)]