7978838

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:452

約数の個数: 32

約数和(自身を含む): 14515200

約数和(自身を除く): 6536362

約数列:

[1, 2, 7, 14, 23, 46, 71, 142, 161, 322, 349, 497, 698, 994, 1633, 2443, 3266, 4886, 8027, 11431, 16054, 22862, 24779, 49558, 56189, 112378, 173453, 346906, 569917, 1139834, 3989419, 7978838]

約数ペア:

[(1, 7978838), (2, 3989419), (7, 1139834), (14, 569917), (23, 346906), (46, 173453), (71, 112378), (142, 56189), (161, 49558), (322, 24779), (349, 22862), (497, 16054), (698, 11431), (994, 8027), (1633, 4886), (2443, 3266)]