257445593205

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{487}}^1\times {\mathrm{13697}}^1$

素因数の和:14306

約数の個数: 64

約数和(自身を含む): 431238463488

約数和(自身を除く): 173792870283

約数列:

[1, 3, 5, 15, 31, 83, 93, 155, 249, 415, 465, 487, 1245, 1461, 2435, 2573, 7305, 7719, 12865, 13697, 15097, 38595, 40421, 41091, 45291, 68485, 75485, 121263, 202105, 205455, 226455, 424607, 606315, 1136851, 1253051, 1273821, 2123035, 3410553, 3759153, 5684255, 6265255, 6369105, 6670439, 17052765, 18795765, 20011317, 33352195, 35242381, 100056585, 105727143, 176211905, 206783609, 528635715, 553646437, 620350827, 1033918045, 1660939311, 2768232185, 3101754135, 8304696555, 17163039547, 51489118641, 85815197735, 257445593205]

約数ペア:

[(1, 257445593205), (3, 85815197735), (5, 51489118641), (15, 17163039547), (31, 8304696555), (83, 3101754135), (93, 2768232185), (155, 1660939311), (249, 1033918045), (415, 620350827), (465, 553646437), (487, 528635715), (1245, 206783609), (1461, 176211905), (2435, 105727143), (2573, 100056585), (7305, 35242381), (7719, 33352195), (12865, 20011317), (13697, 18795765), (15097, 17052765), (38595, 6670439), (40421, 6369105), (41091, 6265255), (45291, 5684255), (68485, 3759153), (75485, 3410553), (121263, 2123035), (202105, 1273821), (205455, 1253051), (226455, 1136851), (424607, 606315)]