87668828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{21341}}^1$

素因数の和:21437

約数の個数: 24

約数和(自身を含む): 167321280

約数和(自身を除く): 79652452

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 1027, 2054, 4108, 21341, 42682, 85364, 277433, 554866, 1109732, 1685939, 3371878, 6743756, 21917207, 43834414, 87668828]

約数ペア:

[(1, 87668828), (2, 43834414), (4, 21917207), (13, 6743756), (26, 3371878), (52, 1685939), (79, 1109732), (158, 554866), (316, 277433), (1027, 85364), (2054, 42682), (4108, 21341)]