28141218

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1291}}^1$

素因数の和:1479

約数の個数: 48

約数和(自身を含む): 70140096

約数和(自身を除く): 41998878

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 173, 346, 519, 1038, 1211, 1291, 1557, 2422, 2582, 3114, 3633, 3873, 7266, 7746, 9037, 10899, 11619, 18074, 21798, 23238, 27111, 54222, 81333, 162666, 223343, 446686, 670029, 1340058, 1563401, 2010087, 3126802, 4020174, 4690203, 9380406, 14070609, 28141218]

約数ペア:

[(1, 28141218), (2, 14070609), (3, 9380406), (6, 4690203), (7, 4020174), (9, 3126802), (14, 2010087), (18, 1563401), (21, 1340058), (42, 670029), (63, 446686), (126, 223343), (173, 162666), (346, 81333), (519, 54222), (1038, 27111), (1211, 23238), (1291, 21798), (1557, 18074), (2422, 11619), (2582, 10899), (3114, 9037), (3633, 7746), (3873, 7266)]