81142616

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{1487}}^1$

素因数の和:1871

約数の個数: 32

約数和(自身を含む): 160704000

約数和(自身を除く): 79561384

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 359, 718, 1436, 1487, 2872, 2974, 5948, 6821, 11896, 13642, 27284, 28253, 54568, 56506, 113012, 226024, 533833, 1067666, 2135332, 4270664, 10142827, 20285654, 40571308, 81142616]

約数ペア:

[(1, 81142616), (2, 40571308), (4, 20285654), (8, 10142827), (19, 4270664), (38, 2135332), (76, 1067666), (152, 533833), (359, 226024), (718, 113012), (1436, 56506), (1487, 54568), (2872, 28253), (2974, 27284), (5948, 13642), (6821, 11896)]