31136868

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{787}}^1$

素因数の和:961

約数の個数: 72

約数和(自身を含む): 90638912

約数和(自身を除く): 59502044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 157, 252, 314, 471, 628, 787, 942, 1099, 1413, 1574, 1884, 2198, 2361, 2826, 3148, 3297, 4396, 4722, 5509, 5652, 6594, 7083, 9444, 9891, 11018, 13188, 14166, 16527, 19782, 22036, 28332, 33054, 39564, 49581, 66108, 99162, 123559, 198324, 247118, 370677, 494236, 741354, 864913, 1112031, 1482708, 1729826, 2224062, 2594739, 3459652, 4448124, 5189478, 7784217, 10378956, 15568434, 31136868]

約数ペア:

[(1, 31136868), (2, 15568434), (3, 10378956), (4, 7784217), (6, 5189478), (7, 4448124), (9, 3459652), (12, 2594739), (14, 2224062), (18, 1729826), (21, 1482708), (28, 1112031), (36, 864913), (42, 741354), (63, 494236), (84, 370677), (126, 247118), (157, 198324), (252, 123559), (314, 99162), (471, 66108), (628, 49581), (787, 39564), (942, 33054), (1099, 28332), (1413, 22036), (1574, 19782), (1884, 16527), (2198, 14166), (2361, 13188), (2826, 11018), (3148, 9891), (3297, 9444), (4396, 7083), (4722, 6594), (5509, 5652)]