199053790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{49393}}^1$

素因数の和:49444

約数の個数: 32

約数和(自身を含む): 398313216

約数和(自身を除く): 199259426

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 49393, 98786, 246965, 493930, 642109, 1284218, 1531183, 3062366, 3210545, 6421090, 7655915, 15311830, 19905379, 39810758, 99526895, 199053790]

約数ペア:

[(1, 199053790), (2, 99526895), (5, 39810758), (10, 19905379), (13, 15311830), (26, 7655915), (31, 6421090), (62, 3210545), (65, 3062366), (130, 1531183), (155, 1284218), (310, 642109), (403, 493930), (806, 246965), (2015, 98786), (4030, 49393)]