987177457

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{100517}}^1$

素因数の和:100608

約数の個数: 16

約数和(自身を含む): 1196566272

約数和(自身を除く): 209388815

約数列:

[1, 7, 23, 61, 161, 427, 1403, 9821, 100517, 703619, 2311891, 6131537, 16183237, 42920759, 141025351, 987177457]

約数ペア:

[(1, 987177457), (7, 141025351), (23, 42920759), (61, 16183237), (161, 6131537), (427, 2311891), (1403, 703619), (9821, 100517)]