890999538

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{35809}}^1$

素因数の和:35867

約数の個数: 64

約数和(自身を含む): 2165788800

約数和(自身を除く): 1274789262

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 29, 33, 39, 58, 66, 78, 87, 143, 174, 286, 319, 377, 429, 638, 754, 858, 957, 1131, 1914, 2262, 4147, 8294, 12441, 24882, 35809, 71618, 107427, 214854, 393899, 465517, 787798, 931034, 1038461, 1181697, 1396551, 2076922, 2363394, 2793102, 3115383, 5120687, 6230766, 10241374, 11423071, 13499993, 15362061, 22846142, 26999986, 30724122, 34269213, 40499979, 68538426, 80999958, 148499923, 296999846, 445499769, 890999538]

約数ペア:

[(1, 890999538), (2, 445499769), (3, 296999846), (6, 148499923), (11, 80999958), (13, 68538426), (22, 40499979), (26, 34269213), (29, 30724122), (33, 26999986), (39, 22846142), (58, 15362061), (66, 13499993), (78, 11423071), (87, 10241374), (143, 6230766), (174, 5120687), (286, 3115383), (319, 2793102), (377, 2363394), (429, 2076922), (638, 1396551), (754, 1181697), (858, 1038461), (957, 931034), (1131, 787798), (1914, 465517), (2262, 393899), (4147, 214854), (8294, 107427), (12441, 71618), (24882, 35809)]