347678390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:809

約数の個数: 64

約数和(自身を含む): 692841600

約数和(自身を除く): 345163210

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 109, 145, 170, 218, 290, 493, 545, 647, 986, 1090, 1294, 1853, 2465, 3161, 3235, 3706, 4930, 6322, 6470, 9265, 10999, 15805, 18530, 18763, 21998, 31610, 37526, 53737, 54995, 70523, 93815, 107474, 109990, 141046, 187630, 268685, 318971, 352615, 537370, 637942, 705230, 1198891, 1594855, 2045167, 2397782, 3189710, 4090334, 5994455, 10225835, 11988910, 20451670, 34767839, 69535678, 173839195, 347678390]

約数ペア:

[(1, 347678390), (2, 173839195), (5, 69535678), (10, 34767839), (17, 20451670), (29, 11988910), (34, 10225835), (58, 5994455), (85, 4090334), (109, 3189710), (145, 2397782), (170, 2045167), (218, 1594855), (290, 1198891), (493, 705230), (545, 637942), (647, 537370), (986, 352615), (1090, 318971), (1294, 268685), (1853, 187630), (2465, 141046), (3161, 109990), (3235, 107474), (3706, 93815), (4930, 70523), (6322, 54995), (6470, 53737), (9265, 37526), (10999, 31610), (15805, 21998), (18530, 18763)]