664152034

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{499}}^1$

素因数の和:695

約数の個数: 64

約数和(自身を含む): 1257984000

約数和(自身を除く): 593831966

約数列:

[1, 2, 7, 13, 14, 26, 71, 91, 103, 142, 182, 206, 497, 499, 721, 923, 994, 998, 1339, 1442, 1846, 2678, 3493, 6461, 6487, 6986, 7313, 9373, 12922, 12974, 14626, 18746, 35429, 45409, 51191, 51397, 70858, 90818, 95069, 102382, 102794, 190138, 248003, 359779, 460577, 496006, 665483, 668161, 719558, 921154, 1330966, 1336322, 3224039, 3649187, 4677127, 6448078, 7298374, 9354254, 25544309, 47439431, 51088618, 94878862, 332076017, 664152034]

約数ペア:

[(1, 664152034), (2, 332076017), (7, 94878862), (13, 51088618), (14, 47439431), (26, 25544309), (71, 9354254), (91, 7298374), (103, 6448078), (142, 4677127), (182, 3649187), (206, 3224039), (497, 1336322), (499, 1330966), (721, 921154), (923, 719558), (994, 668161), (998, 665483), (1339, 496006), (1442, 460577), (1846, 359779), (2678, 248003), (3493, 190138), (6461, 102794), (6487, 102382), (6986, 95069), (7313, 90818), (9373, 70858), (12922, 51397), (12974, 51191), (14626, 45409), (18746, 35429)]