639113712

素因数分解:

$2^4\times 3^1\times {\mathrm{13314869}}^1$

素因数の和:13314880

約数の個数: 20

約数和(自身を含む): 1651043880

約数和(自身を除く): 1011930168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 13314869, 26629738, 39944607, 53259476, 79889214, 106518952, 159778428, 213037904, 319556856, 639113712]

約数ペア:

[(1, 639113712), (2, 319556856), (3, 213037904), (4, 159778428), (6, 106518952), (8, 79889214), (12, 53259476), (16, 39944607), (24, 26629738), (48, 13314869)]