281721181

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1\times {\mathrm{4957}}^1$

素因数の和:5340

約数の個数: 16

約数和(自身を含む): 336985344

約数和(自身を除く): 55264163

約数列:

[1, 7, 23, 161, 353, 2471, 4957, 8119, 34699, 56833, 114011, 798077, 1749821, 12248747, 40245883, 281721181]

約数ペア:

[(1, 281721181), (7, 40245883), (23, 12248747), (161, 1749821), (353, 798077), (2471, 114011), (4957, 56833), (8119, 34699)]