2051890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6619}}^1$

素因数の和:6657

約数の個数: 16

約数和(自身を含む): 3813120

約数和(自身を除く): 1761230

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 6619, 13238, 33095, 66190, 205189, 410378, 1025945, 2051890]

約数ペア:

[(1, 2051890), (2, 1025945), (5, 410378), (10, 205189), (31, 66190), (62, 33095), (155, 13238), (310, 6619)]