31249816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{617}}^1$

素因数の和:1123

約数の個数: 32

約数和(自身を含む): 63332640

約数和(自身を除く): 32082824

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 487, 617, 974, 1234, 1948, 2468, 3896, 4936, 6331, 8021, 12662, 16042, 25324, 32084, 50648, 64168, 300479, 600958, 1201916, 2403832, 3906227, 7812454, 15624908, 31249816]

約数ペア:

[(1, 31249816), (2, 15624908), (4, 7812454), (8, 3906227), (13, 2403832), (26, 1201916), (52, 600958), (104, 300479), (487, 64168), (617, 50648), (974, 32084), (1234, 25324), (1948, 16042), (2468, 12662), (3896, 8021), (4936, 6331)]