201418217

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{647}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 271724544

約数和(自身を除く): 70306327

約数列:

[1, 7, 11, 13, 77, 91, 143, 311, 647, 1001, 2177, 3421, 4043, 4529, 7117, 8411, 23947, 28301, 44473, 49819, 58877, 92521, 201217, 311311, 647647, 1408519, 2213387, 2615821, 15493709, 18310747, 28774031, 201418217]

約数ペア:

[(1, 201418217), (7, 28774031), (11, 18310747), (13, 15493709), (77, 2615821), (91, 2213387), (143, 1408519), (311, 647647), (647, 311311), (1001, 201217), (2177, 92521), (3421, 58877), (4043, 49819), (4529, 44473), (7117, 28301), (8411, 23947)]