31911740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{32563}}^1$

素因数の和:32586

約数の個数: 36

約数和(自身を含む): 77958216

約数和(自身を除く): 46046476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 32563, 65126, 130252, 162815, 227941, 325630, 455882, 651260, 911764, 1139705, 1595587, 2279410, 3191174, 4558820, 6382348, 7977935, 15955870, 31911740]

約数ペア:

[(1, 31911740), (2, 15955870), (4, 7977935), (5, 6382348), (7, 4558820), (10, 3191174), (14, 2279410), (20, 1595587), (28, 1139705), (35, 911764), (49, 651260), (70, 455882), (98, 325630), (140, 227941), (196, 162815), (245, 130252), (490, 65126), (980, 32563)]