128790788

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{44657}}^1$

素因数の和:44771

約数の個数: 24

約数和(自身を含む): 260088192

約数和(自身を除く): 131297404

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 412, 721, 1442, 2884, 44657, 89314, 178628, 312599, 625198, 1250396, 4599671, 9199342, 18398684, 32197697, 64395394, 128790788]

約数ペア:

[(1, 128790788), (2, 64395394), (4, 32197697), (7, 18398684), (14, 9199342), (28, 4599671), (103, 1250396), (206, 625198), (412, 312599), (721, 178628), (1442, 89314), (2884, 44657)]