420134515

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{20681}}^1$

素因数の和:20942

約数の個数: 16

約数和(自身を含む): 536077440

約数和(自身を除く): 115942925

約数列:

[1, 5, 17, 85, 239, 1195, 4063, 20315, 20681, 103405, 351577, 1757885, 4942759, 24713795, 84026903, 420134515]

約数ペア:

[(1, 420134515), (5, 84026903), (17, 24713795), (85, 4942759), (239, 1757885), (1195, 351577), (4063, 103405), (20315, 20681)]