209981518

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{1231}}^1$

素因数の和:1452

約数の個数: 32

約数和(自身を含む): 347276160

約数和(自身を除く): 137294642

約数列:

[1, 2, 17, 29, 34, 58, 173, 346, 493, 986, 1231, 2462, 2941, 5017, 5882, 10034, 20927, 35699, 41854, 71398, 85289, 170578, 212963, 425926, 606883, 1213766, 3620371, 6175927, 7240742, 12351854, 104990759, 209981518]

約数ペア:

[(1, 209981518), (2, 104990759), (17, 12351854), (29, 7240742), (34, 6175927), (58, 3620371), (173, 1213766), (346, 606883), (493, 425926), (986, 212963), (1231, 170578), (2462, 85289), (2941, 71398), (5017, 41854), (5882, 35699), (10034, 20927)]