81901794

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{37}}^2\times {\mathrm{59}}^1$

素因数の和:164

約数の個数: 72

約数和(自身を含む): 185386320

約数和(自身を除く): 103484526

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 59, 74, 78, 111, 118, 169, 177, 222, 338, 354, 481, 507, 767, 962, 1014, 1369, 1443, 1534, 2183, 2301, 2738, 2886, 4107, 4366, 4602, 6253, 6549, 8214, 9971, 12506, 13098, 17797, 18759, 19942, 28379, 29913, 35594, 37518, 53391, 56758, 59826, 80771, 85137, 106782, 161542, 170274, 231361, 242313, 368927, 462722, 484626, 694083, 737854, 1050023, 1106781, 1388166, 2100046, 2213562, 3150069, 6300138, 13650299, 27300598, 40950897, 81901794]

約数ペア:

[(1, 81901794), (2, 40950897), (3, 27300598), (6, 13650299), (13, 6300138), (26, 3150069), (37, 2213562), (39, 2100046), (59, 1388166), (74, 1106781), (78, 1050023), (111, 737854), (118, 694083), (169, 484626), (177, 462722), (222, 368927), (338, 242313), (354, 231361), (481, 170274), (507, 161542), (767, 106782), (962, 85137), (1014, 80771), (1369, 59826), (1443, 56758), (1534, 53391), (2183, 37518), (2301, 35594), (2738, 29913), (2886, 28379), (4107, 19942), (4366, 18759), (4602, 17797), (6253, 13098), (6549, 12506), (8214, 9971)]