4686890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1163}}^1$

素因数の和:1214

約数の個数: 32

約数和(自身を含む): 9386496

約数和(自身を除く): 4699606

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 1163, 2015, 2326, 4030, 5815, 11630, 15119, 30238, 36053, 72106, 75595, 151190, 180265, 360530, 468689, 937378, 2343445, 4686890]

約数ペア:

[(1, 4686890), (2, 2343445), (5, 937378), (10, 468689), (13, 360530), (26, 180265), (31, 151190), (62, 75595), (65, 72106), (130, 36053), (155, 30238), (310, 15119), (403, 11630), (806, 5815), (1163, 4030), (2015, 2326)]