31684688

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3581}}^1$

素因数の和:3675

約数の個数: 40

約数和(自身を含む): 71066880

約数和(自身を除く): 39382192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 316, 553, 632, 1106, 1264, 2212, 3581, 4424, 7162, 8848, 14324, 25067, 28648, 50134, 57296, 100268, 200536, 282899, 401072, 565798, 1131596, 1980293, 2263192, 3960586, 4526384, 7921172, 15842344, 31684688]

約数ペア:

[(1, 31684688), (2, 15842344), (4, 7921172), (7, 4526384), (8, 3960586), (14, 2263192), (16, 1980293), (28, 1131596), (56, 565798), (79, 401072), (112, 282899), (158, 200536), (316, 100268), (553, 57296), (632, 50134), (1106, 28648), (1264, 25067), (2212, 14324), (3581, 8848), (4424, 7162)]