17991470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8291}}^1$

素因数の和:8336

約数の個数: 32

約数和(自身を含む): 38209536

約数和(自身を除く): 20218066

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 8291, 16582, 41455, 58037, 82910, 116074, 257021, 290185, 514042, 580370, 1285105, 1799147, 2570210, 3598294, 8995735, 17991470]

約数ペア:

[(1, 17991470), (2, 8995735), (5, 3598294), (7, 2570210), (10, 1799147), (14, 1285105), (31, 580370), (35, 514042), (62, 290185), (70, 257021), (155, 116074), (217, 82910), (310, 58037), (434, 41455), (1085, 16582), (2170, 8291)]