15871955

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{12547}}^1$

素因数の和:12586

約数の個数: 16

約数和(自身を含む): 21682944

約数和(自身を除く): 5810989

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 12547, 62735, 138017, 288581, 690085, 1442905, 3174391, 15871955]

約数ペア:

[(1, 15871955), (5, 3174391), (11, 1442905), (23, 690085), (55, 288581), (115, 138017), (253, 62735), (1265, 12547)]