28638844

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7757}}^1$

素因数の和:7845

約数の個数: 24

約数和(自身を含む): 54740448

約数和(自身を除く): 26101604

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 7757, 15514, 31028, 100841, 201682, 403364, 550747, 1101494, 2202988, 7159711, 14319422, 28638844]

約数ペア:

[(1, 28638844), (2, 14319422), (4, 7159711), (13, 2202988), (26, 1101494), (52, 550747), (71, 403364), (142, 201682), (284, 100841), (923, 31028), (1846, 15514), (3692, 7757)]