78664816

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{38713}}^1$

素因数の和:38848

約数の個数: 20

約数和(自身を含む): 153617152

約数和(自身を除く): 74952336

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 38713, 77426, 154852, 309704, 619408, 4916551, 9833102, 19666204, 39332408, 78664816]

約数ペア:

[(1, 78664816), (2, 39332408), (4, 19666204), (8, 9833102), (16, 4916551), (127, 619408), (254, 309704), (508, 154852), (1016, 77426), (2032, 38713)]