640725338482

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1\times {\mathrm{16650001}}^1$

素因数の和:16650345

約数の個数: 16

約数和(自身を含む): 978220917504

約数和(自身を除く): 337495579022

約数列:

[1, 2, 71, 142, 271, 542, 19241, 38482, 16650001, 33300002, 1182150071, 2364300142, 4512150271, 9024300542, 320362669241, 640725338482]

約数ペア:

[(1, 640725338482), (2, 320362669241), (71, 9024300542), (142, 4512150271), (271, 2364300142), (542, 1182150071), (19241, 33300002), (38482, 16650001)]