78900208

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{159073}}^1$

素因数の和:159112

約数の個数: 20

約数和(自身を含む): 157801408

約数和(自身を除く): 78901200

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 159073, 318146, 636292, 1272584, 2545168, 4931263, 9862526, 19725052, 39450104, 78900208]

約数ペア:

[(1, 78900208), (2, 39450104), (4, 19725052), (8, 9862526), (16, 4931263), (31, 2545168), (62, 1272584), (124, 636292), (248, 318146), (496, 159073)]