1290190734

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{1021}}^1\times {\mathrm{3343}}^1$

素因数の和:4382

約数の個数: 64

約数和(自身を含む): 3280865280

約数和(自身を除く): 1990674546

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 1021, 2042, 3063, 3343, 6126, 6686, 7147, 9189, 10029, 14294, 18378, 20058, 21441, 23401, 27567, 30087, 42882, 46802, 55134, 60174, 64323, 70203, 90261, 128646, 140406, 180522, 192969, 210609, 385938, 421218, 631827, 1263654, 3413203, 6826406, 10239609, 20479218, 23892421, 30718827, 47784842, 61437654, 71677263, 92156481, 143354526, 184312962, 215031789, 430063578, 645095367, 1290190734]

約数ペア:

[(1, 1290190734), (2, 645095367), (3, 430063578), (6, 215031789), (7, 184312962), (9, 143354526), (14, 92156481), (18, 71677263), (21, 61437654), (27, 47784842), (42, 30718827), (54, 23892421), (63, 20479218), (126, 10239609), (189, 6826406), (378, 3413203), (1021, 1263654), (2042, 631827), (3063, 421218), (3343, 385938), (6126, 210609), (6686, 192969), (7147, 180522), (9189, 140406), (10029, 128646), (14294, 90261), (18378, 70203), (20058, 64323), (21441, 60174), (23401, 55134), (27567, 46802), (30087, 42882)]