318640621

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{1579}}^1$

素因数の和:1673

約数の個数: 24

約数和(自身を含む): 370819680

約数和(自身を除く): 52179059

約数列:

[1, 13, 19, 43, 247, 361, 559, 817, 1579, 4693, 10621, 15523, 20527, 30001, 67897, 201799, 390013, 570019, 882661, 1290043, 7410247, 16770559, 24510817, 318640621]

約数ペア:

[(1, 318640621), (13, 24510817), (19, 16770559), (43, 7410247), (247, 1290043), (361, 882661), (559, 570019), (817, 390013), (1579, 201799), (4693, 67897), (10621, 30001), (15523, 20527)]