12928461

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:146

約数の個数: 64

約数和(自身を含む): 23224320

約数和(自身を除く): 10295859

約数列:

[1, 3, 7, 13, 21, 23, 29, 39, 69, 71, 87, 91, 161, 203, 213, 273, 299, 377, 483, 497, 609, 667, 897, 923, 1131, 1491, 1633, 2001, 2059, 2093, 2639, 2769, 4669, 4899, 6177, 6279, 6461, 7917, 8671, 11431, 14007, 14413, 19383, 21229, 26013, 26767, 34293, 43239, 47357, 60697, 63687, 80301, 142071, 148603, 182091, 187369, 331499, 445809, 562107, 615641, 994497, 1846923, 4309487, 12928461]

約数ペア:

[(1, 12928461), (3, 4309487), (7, 1846923), (13, 994497), (21, 615641), (23, 562107), (29, 445809), (39, 331499), (69, 187369), (71, 182091), (87, 148603), (91, 142071), (161, 80301), (203, 63687), (213, 60697), (273, 47357), (299, 43239), (377, 34293), (483, 26767), (497, 26013), (609, 21229), (667, 19383), (897, 14413), (923, 14007), (1131, 11431), (1491, 8671), (1633, 7917), (2001, 6461), (2059, 6279), (2093, 6177), (2639, 4899), (2769, 4669)]