397907865598

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{20509}}^1\times {\mathrm{510569}}^1$

素因数の和:531099

約数の個数: 16

約数和(自身を含む): 628307442000

約数和(自身を除く): 230399576402

約数列:

[1, 2, 19, 38, 20509, 41018, 389671, 510569, 779342, 1021138, 9700811, 19401622, 10471259621, 20942519242, 198953932799, 397907865598]

約数ペア:

[(1, 397907865598), (2, 198953932799), (19, 20942519242), (38, 10471259621), (20509, 19401622), (41018, 9700811), (389671, 1021138), (510569, 779342)]