28677790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1171}}^1$

素因数の和:1288

約数の個数: 32

約数和(自身を含む): 54005760

約数和(自身を除く): 25327970

約数列:

[1, 2, 5, 10, 31, 62, 79, 155, 158, 310, 395, 790, 1171, 2342, 2449, 4898, 5855, 11710, 12245, 24490, 36301, 72602, 92509, 181505, 185018, 363010, 462545, 925090, 2867779, 5735558, 14338895, 28677790]

約数ペア:

[(1, 28677790), (2, 14338895), (5, 5735558), (10, 2867779), (31, 925090), (62, 462545), (79, 363010), (155, 185018), (158, 181505), (310, 92509), (395, 72602), (790, 36301), (1171, 24490), (2342, 12245), (2449, 11710), (4898, 5855)]