2489898795

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1\times {\mathrm{787}}^1$

素因数の和:1484

約数の個数: 64

約数和(自身を含む): 4452641280

約数和(自身を除く): 1962742485

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 653, 787, 969, 1615, 1959, 2361, 3265, 3935, 4845, 9795, 11101, 11805, 12407, 13379, 14953, 33303, 37221, 40137, 44859, 55505, 62035, 66895, 74765, 166515, 186105, 200685, 210919, 224295, 254201, 513911, 632757, 762603, 1054595, 1271005, 1541733, 2569555, 3163785, 3813015, 7708665, 8736487, 9764309, 26209461, 29292927, 43682435, 48821545, 131047305, 146464635, 165993253, 497979759, 829966265, 2489898795]

約数ペア:

[(1, 2489898795), (3, 829966265), (5, 497979759), (15, 165993253), (17, 146464635), (19, 131047305), (51, 48821545), (57, 43682435), (85, 29292927), (95, 26209461), (255, 9764309), (285, 8736487), (323, 7708665), (653, 3813015), (787, 3163785), (969, 2569555), (1615, 1541733), (1959, 1271005), (2361, 1054595), (3265, 762603), (3935, 632757), (4845, 513911), (9795, 254201), (11101, 224295), (11805, 210919), (12407, 200685), (13379, 186105), (14953, 166515), (33303, 74765), (37221, 66895), (40137, 62035), (44859, 55505)]