81644128

素因数分解:

$2^5\times {\mathrm{199}}^1\times {\mathrm{12821}}^1$

素因数の和:13030

約数の個数: 24

約数和(自身を含む): 161557200

約数和(自身を除く): 79913072

約数列:

[1, 2, 4, 8, 16, 32, 199, 398, 796, 1592, 3184, 6368, 12821, 25642, 51284, 102568, 205136, 410272, 2551379, 5102758, 10205516, 20411032, 40822064, 81644128]

約数ペア:

[(1, 81644128), (2, 40822064), (4, 20411032), (8, 10205516), (16, 5102758), (32, 2551379), (199, 410272), (398, 205136), (796, 102568), (1592, 51284), (3184, 25642), (6368, 12821)]