2790748805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{1039}}^1$

素因数の和:1162

約数の個数: 48

約数和(自身を含む): 3816933120

約数和(自身を除く): 1026184315

約数列:

[1, 5, 13, 31, 43, 65, 155, 215, 403, 559, 961, 1039, 1333, 2015, 2795, 4805, 5195, 6665, 12493, 13507, 17329, 32209, 41323, 44677, 62465, 67535, 86645, 161045, 206615, 223385, 418717, 537199, 580801, 998479, 1384987, 2093585, 2685995, 2904005, 4992395, 6924935, 12980227, 18004831, 42934597, 64901135, 90024155, 214672985, 558149761, 2790748805]

約数ペア:

[(1, 2790748805), (5, 558149761), (13, 214672985), (31, 90024155), (43, 64901135), (65, 42934597), (155, 18004831), (215, 12980227), (403, 6924935), (559, 4992395), (961, 2904005), (1039, 2685995), (1333, 2093585), (2015, 1384987), (2795, 998479), (4805, 580801), (5195, 537199), (6665, 418717), (12493, 223385), (13507, 206615), (17329, 161045), (32209, 86645), (41323, 67535), (44677, 62465)]