31908128

素因数分解:

$2^5\times 7^1\times {\mathrm{181}}^1\times {\mathrm{787}}^1$

素因数の和:985

約数の個数: 48

約数和(自身を含む): 72281664

約数和(自身を除く): 40373536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 181, 224, 362, 724, 787, 1267, 1448, 1574, 2534, 2896, 3148, 5068, 5509, 5792, 6296, 10136, 11018, 12592, 20272, 22036, 25184, 40544, 44072, 88144, 142447, 176288, 284894, 569788, 997129, 1139576, 1994258, 2279152, 3988516, 4558304, 7977032, 15954064, 31908128]

約数ペア:

[(1, 31908128), (2, 15954064), (4, 7977032), (7, 4558304), (8, 3988516), (14, 2279152), (16, 1994258), (28, 1139576), (32, 997129), (56, 569788), (112, 284894), (181, 176288), (224, 142447), (362, 88144), (724, 44072), (787, 40544), (1267, 25184), (1448, 22036), (1574, 20272), (2534, 12592), (2896, 11018), (3148, 10136), (5068, 6296), (5509, 5792)]