668838905

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{23917}}^1$

素因数の和:23993

約数の個数: 32

約数和(自身を含む): 991927296

約数和(自身を除く): 323088391

約数列:

[1, 5, 7, 17, 35, 47, 85, 119, 235, 329, 595, 799, 1645, 3995, 5593, 23917, 27965, 119585, 167419, 406589, 837095, 1124099, 2032945, 2846123, 5620495, 7868693, 14230615, 19109683, 39343465, 95548415, 133767781, 668838905]

約数ペア:

[(1, 668838905), (5, 133767781), (7, 95548415), (17, 39343465), (35, 19109683), (47, 14230615), (85, 7868693), (119, 5620495), (235, 2846123), (329, 2032945), (595, 1124099), (799, 837095), (1645, 406589), (3995, 167419), (5593, 119585), (23917, 27965)]