157987408

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{318523}}^1$

素因数の和:318562

約数の個数: 20

約数和(自身を含む): 315975808

約数和(自身を除く): 157988400

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 318523, 637046, 1274092, 2548184, 5096368, 9874213, 19748426, 39496852, 78993704, 157987408]

約数ペア:

[(1, 157987408), (2, 78993704), (4, 39496852), (8, 19748426), (16, 9874213), (31, 5096368), (62, 2548184), (124, 1274092), (248, 637046), (496, 318523)]