31916395

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 48263040

約数和(自身を除く): 16346645

約数列:

[1, 5, 7, 17, 35, 49, 79, 85, 97, 119, 245, 395, 485, 553, 595, 679, 833, 1343, 1649, 2765, 3395, 3871, 4165, 4753, 6715, 7663, 8245, 9401, 11543, 19355, 23765, 38315, 47005, 53641, 57715, 65807, 80801, 130271, 268205, 329035, 375487, 404005, 651355, 911897, 1877435, 4559485, 6383279, 31916395]

約数ペア:

[(1, 31916395), (5, 6383279), (7, 4559485), (17, 1877435), (35, 911897), (49, 651355), (79, 404005), (85, 375487), (97, 329035), (119, 268205), (245, 130271), (395, 80801), (485, 65807), (553, 57715), (595, 53641), (679, 47005), (833, 38315), (1343, 23765), (1649, 19355), (2765, 11543), (3395, 9401), (3871, 8245), (4165, 7663), (4753, 6715)]