12551786

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:270

約数の個数: 32

約数和(自身を含む): 21141120

約数和(自身を除く): 8589334

約数列:

[1, 2, 13, 26, 43, 86, 103, 109, 206, 218, 559, 1118, 1339, 1417, 2678, 2834, 4429, 4687, 8858, 9374, 11227, 22454, 57577, 60931, 115154, 121862, 145951, 291902, 482761, 965522, 6275893, 12551786]

約数ペア:

[(1, 12551786), (2, 6275893), (13, 965522), (26, 482761), (43, 291902), (86, 145951), (103, 121862), (109, 115154), (206, 60931), (218, 57577), (559, 22454), (1118, 11227), (1339, 9374), (1417, 8858), (2678, 4687), (2834, 4429)]