31439968

素因数分解:

$2^5\times 7^2\times {\mathrm{20051}}^1$

素因数の和:20075

約数の個数: 36

約数和(自身を含む): 72006732

約数和(自身を除く): 40566764

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 20051, 40102, 80204, 140357, 160408, 280714, 320816, 561428, 641632, 982499, 1122856, 1964998, 2245712, 3929996, 4491424, 7859992, 15719984, 31439968]

約数ペア:

[(1, 31439968), (2, 15719984), (4, 7859992), (7, 4491424), (8, 3929996), (14, 2245712), (16, 1964998), (28, 1122856), (32, 982499), (49, 641632), (56, 561428), (98, 320816), (112, 280714), (196, 160408), (224, 140357), (392, 80204), (784, 40102), (1568, 20051)]