1991799602

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1\times {\mathrm{2017}}^1$

素因数の和:4050

約数の個数: 32

約数和(自身を含む): 3390240000

約数和(自身を除く): 1398440398

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 1999, 2017, 3998, 4034, 25987, 26221, 37981, 38323, 51974, 52442, 75962, 76646, 493753, 498199, 987506, 996398, 4031983, 8063966, 52415779, 76607677, 104831558, 153215354, 995899801, 1991799602]

約数ペア:

[(1, 1991799602), (2, 995899801), (13, 153215354), (19, 104831558), (26, 76607677), (38, 52415779), (247, 8063966), (494, 4031983), (1999, 996398), (2017, 987506), (3998, 498199), (4034, 493753), (25987, 76646), (26221, 75962), (37981, 52442), (38323, 51974)]