66705925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 99493632

約数和(自身を除く): 32787707

約数列:

[1, 5, 11, 13, 25, 47, 55, 65, 143, 235, 275, 325, 397, 517, 611, 715, 1175, 1985, 2585, 3055, 3575, 4367, 5161, 6721, 9925, 12925, 15275, 18659, 21835, 25805, 33605, 56771, 93295, 109175, 129025, 168025, 205249, 242567, 283855, 466475, 1026245, 1212835, 1419275, 2668237, 5131225, 6064175, 13341185, 66705925]

約数ペア:

[(1, 66705925), (5, 13341185), (11, 6064175), (13, 5131225), (25, 2668237), (47, 1419275), (55, 1212835), (65, 1026245), (143, 466475), (235, 283855), (275, 242567), (325, 205249), (397, 168025), (517, 129025), (611, 109175), (715, 93295), (1175, 56771), (1985, 33605), (2585, 25805), (3055, 21835), (3575, 18659), (4367, 15275), (5161, 12925), (6721, 9925)]