251991262

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{19001}}^1$

素因数の和:19371

約数の個数: 16

約数和(自身を含む): 399042000

約数和(自身を除く): 147050738

約数列:

[1, 2, 19, 38, 349, 698, 6631, 13262, 19001, 38002, 361019, 722038, 6631349, 13262698, 125995631, 251991262]

約数ペア:

[(1, 251991262), (2, 125995631), (19, 13262698), (38, 6631349), (349, 722038), (698, 361019), (6631, 38002), (13262, 19001)]