661261692

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{605551}}^1$

素因数の和:605578

約数の個数: 48

約数和(自身を含む): 1899011072

約数和(自身を除く): 1237749380

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 605551, 1211102, 1816653, 2422204, 3633306, 4238857, 7266612, 7872163, 8477714, 12716571, 15744326, 16955428, 23616489, 25433142, 31488652, 47232978, 50866284, 55105141, 94465956, 110210282, 165315423, 220420564, 330630846, 661261692]

約数ペア:

[(1, 661261692), (2, 330630846), (3, 220420564), (4, 165315423), (6, 110210282), (7, 94465956), (12, 55105141), (13, 50866284), (14, 47232978), (21, 31488652), (26, 25433142), (28, 23616489), (39, 16955428), (42, 15744326), (52, 12716571), (78, 8477714), (84, 7872163), (91, 7266612), (156, 4238857), (182, 3633306), (273, 2422204), (364, 1816653), (546, 1211102), (1092, 605551)]