86923070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21569}}^1$

素因数の和:21620

約数の個数: 32

約数和(自身を含む): 173940480

約数和(自身を除く): 87017410

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 21569, 43138, 107845, 215690, 280397, 560794, 668639, 1337278, 1401985, 2803970, 3343195, 6686390, 8692307, 17384614, 43461535, 86923070]

約数ペア:

[(1, 86923070), (2, 43461535), (5, 17384614), (10, 8692307), (13, 6686390), (26, 3343195), (31, 2803970), (62, 1401985), (65, 1337278), (130, 668639), (155, 560794), (310, 280397), (403, 215690), (806, 107845), (2015, 43138), (4030, 21569)]