31127824

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21379}}^1$

素因数の和:21407

約数の個数: 40

約数和(自身を含む): 74231360

約数和(自身を除く): 43103536

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 21379, 42758, 85516, 149653, 171032, 277927, 299306, 342064, 555854, 598612, 1111708, 1197224, 1945489, 2223416, 2394448, 3890978, 4446832, 7781956, 15563912, 31127824]

約数ペア:

[(1, 31127824), (2, 15563912), (4, 7781956), (7, 4446832), (8, 3890978), (13, 2394448), (14, 2223416), (16, 1945489), (26, 1197224), (28, 1111708), (52, 598612), (56, 555854), (91, 342064), (104, 299306), (112, 277927), (182, 171032), (208, 149653), (364, 85516), (728, 42758), (1456, 21379)]