87661955

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{7159}}^1$

素因数の和:7274

約数の個数: 16

約数和(自身を含む): 109977600

約数和(自身を除く): 22315645

約数列:

[1, 5, 31, 79, 155, 395, 2449, 7159, 12245, 35795, 221929, 565561, 1109645, 2827805, 17532391, 87661955]

約数ペア:

[(1, 87661955), (5, 17532391), (31, 2827805), (79, 1109645), (155, 565561), (395, 221929), (2449, 35795), (7159, 12245)]