991318450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1033}}^1\times {\mathrm{1129}}^1$

素因数の和:2191

約数の個数: 48

約数和(自身を含む): 1955935080

約数和(自身を除く): 964616630

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 425, 850, 1033, 1129, 2066, 2258, 5165, 5645, 10330, 11290, 17561, 19193, 25825, 28225, 35122, 38386, 51650, 56450, 87805, 95965, 175610, 191930, 439025, 479825, 878050, 959650, 1166257, 2332514, 5831285, 11662570, 19826369, 29156425, 39652738, 58312850, 99131845, 198263690, 495659225, 991318450]

約数ペア:

[(1, 991318450), (2, 495659225), (5, 198263690), (10, 99131845), (17, 58312850), (25, 39652738), (34, 29156425), (50, 19826369), (85, 11662570), (170, 5831285), (425, 2332514), (850, 1166257), (1033, 959650), (1129, 878050), (2066, 479825), (2258, 439025), (5165, 191930), (5645, 175610), (10330, 95965), (11290, 87805), (17561, 56450), (19193, 51650), (25825, 38386), (28225, 35122)]