12718805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 17998848

約数和(自身を除く): 5280043

約数列:

[1, 5, 11, 17, 55, 61, 85, 187, 223, 305, 671, 935, 1037, 1115, 2453, 3355, 3791, 5185, 11407, 12265, 13603, 18955, 41701, 57035, 68015, 149633, 208505, 231251, 748165, 1156255, 2543761, 12718805]

約数ペア:

[(1, 12718805), (5, 2543761), (11, 1156255), (17, 748165), (55, 231251), (61, 208505), (85, 149633), (187, 68015), (223, 57035), (305, 41701), (671, 18955), (935, 13603), (1037, 12265), (1115, 11407), (2453, 5185), (3355, 3791)]