31488284

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{27239}}^1$

素因数の和:27277

約数の個数: 18

約数和(自身を含む): 58538760

約数和(自身を除く): 27050476

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 27239, 54478, 108956, 463063, 926126, 1852252, 7872071, 15744142, 31488284]

約数ペア:

[(1, 31488284), (2, 15744142), (4, 7872071), (17, 1852252), (34, 926126), (68, 463063), (289, 108956), (578, 54478), (1156, 27239)]