31431738

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 72253440

約数和(自身を除く): 40821702

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 127, 167, 247, 254, 334, 381, 494, 501, 741, 762, 1002, 1482, 1651, 2171, 2413, 3173, 3302, 4342, 4826, 4953, 6346, 6513, 7239, 9519, 9906, 13026, 14478, 19038, 21209, 31369, 41249, 42418, 62738, 63627, 82498, 94107, 123747, 127254, 188214, 247494, 275717, 402971, 551434, 805942, 827151, 1208913, 1654302, 2417826, 5238623, 10477246, 15715869, 31431738]

約数ペア:

[(1, 31431738), (2, 15715869), (3, 10477246), (6, 5238623), (13, 2417826), (19, 1654302), (26, 1208913), (38, 827151), (39, 805942), (57, 551434), (78, 402971), (114, 275717), (127, 247494), (167, 188214), (247, 127254), (254, 123747), (334, 94107), (381, 82498), (494, 63627), (501, 62738), (741, 42418), (762, 41249), (1002, 31369), (1482, 21209), (1651, 19038), (2171, 14478), (2413, 13026), (3173, 9906), (3302, 9519), (4342, 7239), (4826, 6513), (4953, 6346)]