81630978

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1069}}^1$

素因数の和:1187

約数の個数: 64

約数和(自身を含む): 194140800

約数和(自身を除く): 112509822

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 89, 143, 178, 267, 286, 429, 534, 858, 979, 1069, 1157, 1958, 2138, 2314, 2937, 3207, 3471, 5874, 6414, 6942, 11759, 12727, 13897, 23518, 25454, 27794, 35277, 38181, 41691, 70554, 76362, 83382, 95141, 152867, 190282, 285423, 305734, 458601, 570846, 917202, 1046551, 1236833, 2093102, 2473666, 3139653, 3710499, 6279306, 7420998, 13605163, 27210326, 40815489, 81630978]

約数ペア:

[(1, 81630978), (2, 40815489), (3, 27210326), (6, 13605163), (11, 7420998), (13, 6279306), (22, 3710499), (26, 3139653), (33, 2473666), (39, 2093102), (66, 1236833), (78, 1046551), (89, 917202), (143, 570846), (178, 458601), (267, 305734), (286, 285423), (429, 190282), (534, 152867), (858, 95141), (979, 83382), (1069, 76362), (1157, 70554), (1958, 41691), (2138, 38181), (2314, 35277), (2937, 27794), (3207, 25454), (3471, 23518), (5874, 13897), (6414, 12727), (6942, 11759)]