85891468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{359}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 167650560

約数和(自身を除く): 81759092

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 107, 172, 214, 359, 428, 559, 718, 1118, 1391, 1436, 2236, 2782, 4601, 4667, 5564, 9202, 9334, 15437, 18404, 18668, 30874, 38413, 59813, 61748, 76826, 119626, 153652, 200681, 239252, 401362, 499369, 802724, 998738, 1651759, 1997476, 3303518, 6607036, 21472867, 42945734, 85891468]

約数ペア:

[(1, 85891468), (2, 42945734), (4, 21472867), (13, 6607036), (26, 3303518), (43, 1997476), (52, 1651759), (86, 998738), (107, 802724), (172, 499369), (214, 401362), (359, 239252), (428, 200681), (559, 153652), (718, 119626), (1118, 76826), (1391, 61748), (1436, 59813), (2236, 38413), (2782, 30874), (4601, 18668), (4667, 18404), (5564, 15437), (9202, 9334)]