39877292

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1543}}^1$

素因数の和:1638

約数の個数: 48

約数和(自身を含む): 87155712

約数和(自身を除く): 47278420

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 71, 91, 142, 182, 284, 364, 497, 923, 994, 1543, 1846, 1988, 3086, 3692, 6172, 6461, 10801, 12922, 20059, 21602, 25844, 40118, 43204, 80236, 109553, 140413, 219106, 280826, 438212, 561652, 766871, 1424189, 1533742, 2848378, 3067484, 5696756, 9969323, 19938646, 39877292]

約数ペア:

[(1, 39877292), (2, 19938646), (4, 9969323), (7, 5696756), (13, 3067484), (14, 2848378), (26, 1533742), (28, 1424189), (52, 766871), (71, 561652), (91, 438212), (142, 280826), (182, 219106), (284, 140413), (364, 109553), (497, 80236), (923, 43204), (994, 40118), (1543, 25844), (1846, 21602), (1988, 20059), (3086, 12922), (3692, 10801), (6172, 6461)]