89771390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{27793}}^1$

素因数の和:27836

約数の個数: 32

約数和(自身を含む): 180105120

約数和(自身を除く): 90333730

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 27793, 55586, 138965, 277930, 472481, 528067, 944962, 1056134, 2362405, 2640335, 4724810, 5280670, 8977139, 17954278, 44885695, 89771390]

約数ペア:

[(1, 89771390), (2, 44885695), (5, 17954278), (10, 8977139), (17, 5280670), (19, 4724810), (34, 2640335), (38, 2362405), (85, 1056134), (95, 944962), (170, 528067), (190, 472481), (323, 277930), (646, 138965), (1615, 55586), (3230, 27793)]