131209236

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{117571}}^1$

素因数の和:117612

約数の個数: 36

約数和(自身を含む): 342369664

約数和(自身を除く): 211160428

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 117571, 235142, 352713, 470284, 705426, 1058139, 1410852, 2116278, 3644701, 4232556, 7289402, 10934103, 14578804, 21868206, 32802309, 43736412, 65604618, 131209236]

約数ペア:

[(1, 131209236), (2, 65604618), (3, 43736412), (4, 32802309), (6, 21868206), (9, 14578804), (12, 10934103), (18, 7289402), (31, 4232556), (36, 3644701), (62, 2116278), (93, 1410852), (124, 1058139), (186, 705426), (279, 470284), (372, 352713), (558, 235142), (1116, 117571)]