645366978

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{5869}}^1$

素因数の和:6067

約数の個数: 48

約数和(自身を含む): 1442259000

約数和(自身を除く): 796892022

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 149, 246, 298, 369, 447, 738, 894, 1341, 2682, 5869, 6109, 11738, 12218, 17607, 18327, 35214, 36654, 52821, 54981, 105642, 109962, 240629, 481258, 721887, 874481, 1443774, 1748962, 2165661, 2623443, 4331322, 5246886, 7870329, 15740658, 35853721, 71707442, 107561163, 215122326, 322683489, 645366978]

約数ペア:

[(1, 645366978), (2, 322683489), (3, 215122326), (6, 107561163), (9, 71707442), (18, 35853721), (41, 15740658), (82, 7870329), (123, 5246886), (149, 4331322), (246, 2623443), (298, 2165661), (369, 1748962), (447, 1443774), (738, 874481), (894, 721887), (1341, 481258), (2682, 240629), (5869, 109962), (6109, 105642), (11738, 54981), (12218, 52821), (17607, 36654), (18327, 35214)]