8391978

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{149}}^2$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 21456960

約数和(自身を除く): 13064982

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 149, 189, 298, 378, 447, 894, 1043, 1341, 2086, 2682, 3129, 4023, 6258, 8046, 9387, 18774, 22201, 28161, 44402, 56322, 66603, 133206, 155407, 199809, 310814, 399618, 466221, 599427, 932442, 1198854, 1398663, 2797326, 4195989, 8391978]

約数ペア:

[(1, 8391978), (2, 4195989), (3, 2797326), (6, 1398663), (7, 1198854), (9, 932442), (14, 599427), (18, 466221), (21, 399618), (27, 310814), (42, 199809), (54, 155407), (63, 133206), (126, 66603), (149, 56322), (189, 44402), (298, 28161), (378, 22201), (447, 18774), (894, 9387), (1043, 8046), (1341, 6258), (2086, 4023), (2682, 3129)]