197996890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{217579}}^1$

素因数の和:217606

約数の個数: 32

約数和(自身を含む): 438641280

約数和(自身を除く): 240644390

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 217579, 435158, 1087895, 1523053, 2175790, 2828527, 3046106, 5657054, 7615265, 14142635, 15230530, 19799689, 28285270, 39599378, 98998445, 197996890]

約数ペア:

[(1, 197996890), (2, 98998445), (5, 39599378), (7, 28285270), (10, 19799689), (13, 15230530), (14, 14142635), (26, 7615265), (35, 5657054), (65, 3046106), (70, 2828527), (91, 2175790), (130, 1523053), (182, 1087895), (455, 435158), (910, 217579)]