128651636

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{389}}^1\times {\mathrm{929}}^1$

素因数の和:1411

約数の個数: 24

約数和(自身を含む): 228501000

約数和(自身を除く): 99849364

約数列:

[1, 2, 4, 89, 178, 356, 389, 778, 929, 1556, 1858, 3716, 34621, 69242, 82681, 138484, 165362, 330724, 361381, 722762, 1445524, 32162909, 64325818, 128651636]

約数ペア:

[(1, 128651636), (2, 64325818), (4, 32162909), (89, 1445524), (178, 722762), (356, 361381), (389, 330724), (778, 165362), (929, 138484), (1556, 82681), (1858, 69242), (3716, 34621)]