78268976

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{44879}}^1$

素因数の和:44996

約数の個数: 20

約数和(自身を含む): 153040800

約数和(自身を除く): 74771824

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 44879, 89758, 179516, 359032, 718064, 4891811, 9783622, 19567244, 39134488, 78268976]

約数ペア:

[(1, 78268976), (2, 39134488), (4, 19567244), (8, 9783622), (16, 4891811), (109, 718064), (218, 359032), (436, 179516), (872, 89758), (1744, 44879)]