656656

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:80

約数の個数: 80

約数和(自身を含む): 1749888

約数和(自身を除く): 1093232

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 41, 44, 52, 56, 77, 82, 88, 91, 104, 112, 143, 154, 164, 176, 182, 208, 286, 287, 308, 328, 364, 451, 533, 572, 574, 616, 656, 728, 902, 1001, 1066, 1144, 1148, 1232, 1456, 1804, 2002, 2132, 2288, 2296, 3157, 3608, 3731, 4004, 4264, 4592, 5863, 6314, 7216, 7462, 8008, 8528, 11726, 12628, 14924, 16016, 23452, 25256, 29848, 41041, 46904, 50512, 59696, 82082, 93808, 164164, 328328, 656656]

約数ペア:

[(1, 656656), (2, 328328), (4, 164164), (7, 93808), (8, 82082), (11, 59696), (13, 50512), (14, 46904), (16, 41041), (22, 29848), (26, 25256), (28, 23452), (41, 16016), (44, 14924), (52, 12628), (56, 11726), (77, 8528), (82, 8008), (88, 7462), (91, 7216), (104, 6314), (112, 5863), (143, 4592), (154, 4264), (164, 4004), (176, 3731), (182, 3608), (208, 3157), (286, 2296), (287, 2288), (308, 2132), (328, 2002), (364, 1804), (451, 1456), (533, 1232), (572, 1148), (574, 1144), (616, 1066), (656, 1001), (728, 902)]