28065544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{641}}^1$

素因数の和:1081

約数の個数: 32

約数和(自身を含む): 56894040

約数和(自身を除く): 28828496

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 421, 641, 842, 1282, 1684, 2564, 3368, 5128, 5473, 8333, 10946, 16666, 21892, 33332, 43784, 66664, 269861, 539722, 1079444, 2158888, 3508193, 7016386, 14032772, 28065544]

約数ペア:

[(1, 28065544), (2, 14032772), (4, 7016386), (8, 3508193), (13, 2158888), (26, 1079444), (52, 539722), (104, 269861), (421, 66664), (641, 43784), (842, 33332), (1282, 21892), (1684, 16666), (2564, 10946), (3368, 8333), (5128, 5473)]