4991090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38393}}^1$

素因数の和:38413

約数の個数: 16

約数和(自身を含む): 9675288

約数和(自身を除く): 4684198

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 38393, 76786, 191965, 383930, 499109, 998218, 2495545, 4991090]

約数ペア:

[(1, 4991090), (2, 2495545), (5, 998218), (10, 499109), (13, 383930), (26, 191965), (65, 76786), (130, 38393)]