388680786

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{1661029}}^1$

素因数の和:1661050

約数の個数: 24

約数和(自身を含む): 906922380

約数和(自身を除く): 518241594

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 1661029, 3322058, 4983087, 9966174, 14949261, 21593377, 29898522, 43186754, 64780131, 129560262, 194340393, 388680786]

約数ペア:

[(1, 388680786), (2, 194340393), (3, 129560262), (6, 64780131), (9, 43186754), (13, 29898522), (18, 21593377), (26, 14949261), (39, 9966174), (78, 4983087), (117, 3322058), (234, 1661029)]