20171327995

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{599}}^1$

素因数の和:837

約数の個数: 96

約数和(自身を含む): 30968784000

約数和(自身を除く): 10797456005

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 97, 109, 245, 455, 485, 545, 599, 637, 679, 763, 1261, 1417, 2995, 3185, 3395, 3815, 4193, 4753, 5341, 6305, 7085, 7787, 8827, 9919, 10573, 20965, 23765, 26705, 29351, 38935, 44135, 49595, 52865, 54509, 58103, 61789, 65291, 69433, 74011, 137449, 146755, 272545, 290515, 308945, 326455, 347165, 370055, 381563, 406721, 457037, 518077, 687245, 755339, 848783, 962143, 1907815, 2033605, 2285185, 2590385, 2847047, 3199259, 3776695, 4243915, 4810715, 5287373, 5941481, 6333227, 6735001, 14235235, 15996295, 26436865, 29707405, 31666135, 33675005, 37011611, 41590367, 44332589, 82331951, 185058055, 207951835, 221662945, 310328123, 411659755, 576323657, 1551640615, 2881618285, 4034265599, 20171327995]

約数ペア:

[(1, 20171327995), (5, 4034265599), (7, 2881618285), (13, 1551640615), (35, 576323657), (49, 411659755), (65, 310328123), (91, 221662945), (97, 207951835), (109, 185058055), (245, 82331951), (455, 44332589), (485, 41590367), (545, 37011611), (599, 33675005), (637, 31666135), (679, 29707405), (763, 26436865), (1261, 15996295), (1417, 14235235), (2995, 6735001), (3185, 6333227), (3395, 5941481), (3815, 5287373), (4193, 4810715), (4753, 4243915), (5341, 3776695), (6305, 3199259), (7085, 2847047), (7787, 2590385), (8827, 2285185), (9919, 2033605), (10573, 1907815), (20965, 962143), (23765, 848783), (26705, 755339), (29351, 687245), (38935, 518077), (44135, 457037), (49595, 406721), (52865, 381563), (54509, 370055), (58103, 347165), (61789, 326455), (65291, 308945), (69433, 290515), (74011, 272545), (137449, 146755)]