678366

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{223}}^1$

素因数の和:257

約数の個数: 36

約数和(自身を含む): 1598688

約数和(自身を除く): 920322

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 169, 223, 234, 338, 446, 507, 669, 1014, 1338, 1521, 2007, 2899, 3042, 4014, 5798, 8697, 17394, 26091, 37687, 52182, 75374, 113061, 226122, 339183, 678366]

約数ペア:

[(1, 678366), (2, 339183), (3, 226122), (6, 113061), (9, 75374), (13, 52182), (18, 37687), (26, 26091), (39, 17394), (78, 8697), (117, 5798), (169, 4014), (223, 3042), (234, 2899), (338, 2007), (446, 1521), (507, 1338), (669, 1014)]