121718090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{30203}}^1$

素因数の和:30254

約数の個数: 32

約数和(自身を含む): 243565056

約数和(自身を除く): 121846966

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 30203, 60406, 151015, 302030, 392639, 785278, 936293, 1872586, 1963195, 3926390, 4681465, 9362930, 12171809, 24343618, 60859045, 121718090]

約数ペア:

[(1, 121718090), (2, 60859045), (5, 24343618), (10, 12171809), (13, 9362930), (26, 4681465), (31, 3926390), (62, 1963195), (65, 1872586), (130, 936293), (155, 785278), (310, 392639), (403, 302030), (806, 151015), (2015, 60406), (4030, 30203)]