81003175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 118742400

約数和(自身を除く): 37739225

約数列:

[1, 5, 11, 19, 25, 37, 55, 95, 185, 209, 275, 407, 419, 475, 703, 925, 1045, 2035, 2095, 3515, 4609, 5225, 7733, 7961, 10175, 10475, 15503, 17575, 23045, 38665, 39805, 77515, 87571, 115225, 170533, 193325, 199025, 294557, 387575, 437855, 852665, 1472785, 2189275, 3240127, 4263325, 7363925, 16200635, 81003175]

約数ペア:

[(1, 81003175), (5, 16200635), (11, 7363925), (19, 4263325), (25, 3240127), (37, 2189275), (55, 1472785), (95, 852665), (185, 437855), (209, 387575), (275, 294557), (407, 199025), (419, 193325), (475, 170533), (703, 115225), (925, 87571), (1045, 77515), (2035, 39805), (2095, 38665), (3515, 23045), (4609, 17575), (5225, 15503), (7733, 10475), (7961, 10175)]