81668118

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3529}}^1$

素因数の和:3589

約数の個数: 64

約数和(自身を含む): 203328000

約数和(自身を除く): 121659882

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 29, 38, 42, 57, 58, 87, 114, 133, 174, 203, 266, 399, 406, 551, 609, 798, 1102, 1218, 1653, 3306, 3529, 3857, 7058, 7714, 10587, 11571, 21174, 23142, 24703, 49406, 67051, 74109, 102341, 134102, 148218, 201153, 204682, 307023, 402306, 469357, 614046, 716387, 938714, 1408071, 1432774, 1944479, 2149161, 2816142, 3888958, 4298322, 5833437, 11666874, 13611353, 27222706, 40834059, 81668118]

約数ペア:

[(1, 81668118), (2, 40834059), (3, 27222706), (6, 13611353), (7, 11666874), (14, 5833437), (19, 4298322), (21, 3888958), (29, 2816142), (38, 2149161), (42, 1944479), (57, 1432774), (58, 1408071), (87, 938714), (114, 716387), (133, 614046), (174, 469357), (203, 402306), (266, 307023), (399, 204682), (406, 201153), (551, 148218), (609, 134102), (798, 102341), (1102, 74109), (1218, 67051), (1653, 49406), (3306, 24703), (3529, 23142), (3857, 21174), (7058, 11571), (7714, 10587)]