399238016

素因数分解:

$2^7\times {\mathrm{659}}^1\times {\mathrm{4733}}^1$

素因数の和:5406

約数の個数: 32

約数和(自身を含む): 796732200

約数和(自身を除く): 397494184

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 659, 1318, 2636, 4733, 5272, 9466, 10544, 18932, 21088, 37864, 42176, 75728, 84352, 151456, 302912, 605824, 3119047, 6238094, 12476188, 24952376, 49904752, 99809504, 199619008, 399238016]

約数ペア:

[(1, 399238016), (2, 199619008), (4, 99809504), (8, 49904752), (16, 24952376), (32, 12476188), (64, 6238094), (128, 3119047), (659, 605824), (1318, 302912), (2636, 151456), (4733, 84352), (5272, 75728), (9466, 42176), (10544, 37864), (18932, 21088)]