28500038

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{349}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 51744000

約数和(自身を除く): 23243962

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 307, 349, 614, 698, 2149, 2443, 4298, 4886, 5833, 6631, 11666, 13262, 40831, 46417, 81662, 92834, 107143, 214286, 750001, 1500002, 2035717, 4071434, 14250019, 28500038]

約数ペア:

[(1, 28500038), (2, 14250019), (7, 4071434), (14, 2035717), (19, 1500002), (38, 750001), (133, 214286), (266, 107143), (307, 92834), (349, 81662), (614, 46417), (698, 40831), (2149, 13262), (2443, 11666), (4298, 6631), (4886, 5833)]