7749890

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 14541120

約数和(自身を除く): 6791230

約数列:

[1, 2, 5, 10, 43, 67, 86, 134, 215, 269, 335, 430, 538, 670, 1345, 2690, 2881, 5762, 11567, 14405, 18023, 23134, 28810, 36046, 57835, 90115, 115670, 180230, 774989, 1549978, 3874945, 7749890]

約数ペア:

[(1, 7749890), (2, 3874945), (5, 1549978), (10, 774989), (43, 180230), (67, 115670), (86, 90115), (134, 57835), (215, 36046), (269, 28810), (335, 23134), (430, 18023), (538, 14405), (670, 11567), (1345, 5762), (2690, 2881)]