977961875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2411}}^1$

素因数の和:2501

約数の個数: 40

約数和(自身を含む): 1356315840

約数和(自身を除く): 378353965

約数列:

[1, 5, 11, 25, 55, 59, 125, 275, 295, 625, 649, 1375, 1475, 2411, 3245, 6875, 7375, 12055, 16225, 26521, 36875, 60275, 81125, 132605, 142249, 301375, 405625, 663025, 711245, 1506875, 1564739, 3315125, 3556225, 7823695, 16575625, 17781125, 39118475, 88905625, 195592375, 977961875]

約数ペア:

[(1, 977961875), (5, 195592375), (11, 88905625), (25, 39118475), (55, 17781125), (59, 16575625), (125, 7823695), (275, 3556225), (295, 3315125), (625, 1564739), (649, 1506875), (1375, 711245), (1475, 663025), (2411, 405625), (3245, 301375), (6875, 142249), (7375, 132605), (12055, 81125), (16225, 60275), (26521, 36875)]