189397910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{46997}}^1$

素因数の和:47048

約数の個数: 32

約数和(自身を含む): 378991872

約数和(自身を除く): 189593962

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 46997, 93994, 234985, 469970, 610961, 1221922, 1456907, 2913814, 3054805, 6109610, 7284535, 14569070, 18939791, 37879582, 94698955, 189397910]

約数ペア:

[(1, 189397910), (2, 94698955), (5, 37879582), (10, 18939791), (13, 14569070), (26, 7284535), (31, 6109610), (62, 3054805), (65, 2913814), (130, 1456907), (155, 1221922), (310, 610961), (403, 469970), (806, 234985), (2015, 93994), (4030, 46997)]