28618928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{617}}^1$

素因数の和:861

約数の個数: 40

約数和(自身を含む): 60079488

約数和(自身を除く): 31460560

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 223, 446, 617, 892, 1234, 1784, 2468, 2899, 3568, 4936, 5798, 8021, 9872, 11596, 16042, 23192, 32084, 46384, 64168, 128336, 137591, 275182, 550364, 1100728, 1788683, 2201456, 3577366, 7154732, 14309464, 28618928]

約数ペア:

[(1, 28618928), (2, 14309464), (4, 7154732), (8, 3577366), (13, 2201456), (16, 1788683), (26, 1100728), (52, 550364), (104, 275182), (208, 137591), (223, 128336), (446, 64168), (617, 46384), (892, 32084), (1234, 23192), (1784, 16042), (2468, 11596), (2899, 9872), (3568, 8021), (4936, 5798)]