131555875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{397}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 180303552

約数和(自身を除く): 48747677

約数列:

[1, 5, 11, 25, 55, 125, 241, 275, 397, 1205, 1375, 1985, 2651, 4367, 6025, 9925, 13255, 21835, 30125, 49625, 66275, 95677, 109175, 331375, 478385, 545875, 1052447, 2391925, 5262235, 11959625, 26311175, 131555875]

約数ペア:

[(1, 131555875), (5, 26311175), (11, 11959625), (25, 5262235), (55, 2391925), (125, 1052447), (241, 545875), (275, 478385), (397, 331375), (1205, 109175), (1375, 95677), (1985, 66275), (2651, 49625), (4367, 30125), (6025, 21835), (9925, 13255)]