1638063014

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1\times {\mathrm{2221}}^1$

素因数の和:2748

約数の個数: 32

約数和(自身を含む): 2837049600

約数和(自身を除く): 1198986586

約数列:

[1, 2, 7, 14, 139, 278, 379, 758, 973, 1946, 2221, 2653, 4442, 5306, 15547, 31094, 52681, 105362, 308719, 368767, 617438, 737534, 841759, 1683518, 2161033, 4322066, 5892313, 11784626, 117004501, 234009002, 819031507, 1638063014]

約数ペア:

[(1, 1638063014), (2, 819031507), (7, 234009002), (14, 117004501), (139, 11784626), (278, 5892313), (379, 4322066), (758, 2161033), (973, 1683518), (1946, 841759), (2221, 737534), (2653, 617438), (4442, 368767), (5306, 308719), (15547, 105362), (31094, 52681)]