635809070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157769}}^1$

素因数の和:157820

約数の個数: 32

約数和(自身を含む): 1272257280

約数和(自身を除く): 636448210

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 157769, 315538, 788845, 1577690, 2050997, 4101994, 4890839, 9781678, 10254985, 20509970, 24454195, 48908390, 63580907, 127161814, 317904535, 635809070]

約数ペア:

[(1, 635809070), (2, 317904535), (5, 127161814), (10, 63580907), (13, 48908390), (26, 24454195), (31, 20509970), (62, 10254985), (65, 9781678), (130, 4890839), (155, 4101994), (310, 2050997), (403, 1577690), (806, 788845), (2015, 315538), (4030, 157769)]