31428628

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1523}}^1$

素因数の和:1612

約数の個数: 48

約数和(自身を含む): 69640704

約数和(自身を除く): 38212076

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 67, 77, 134, 154, 268, 308, 469, 737, 938, 1474, 1523, 1876, 2948, 3046, 5159, 6092, 10318, 10661, 16753, 20636, 21322, 33506, 42644, 67012, 102041, 117271, 204082, 234542, 408164, 469084, 714287, 1122451, 1428574, 2244902, 2857148, 4489804, 7857157, 15714314, 31428628]

約数ペア:

[(1, 31428628), (2, 15714314), (4, 7857157), (7, 4489804), (11, 2857148), (14, 2244902), (22, 1428574), (28, 1122451), (44, 714287), (67, 469084), (77, 408164), (134, 234542), (154, 204082), (268, 117271), (308, 102041), (469, 67012), (737, 42644), (938, 33506), (1474, 21322), (1523, 20636), (1876, 16753), (2948, 10661), (3046, 10318), (5159, 6092)]