81425916

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15817}}^1$

素因数の和:15851

約数の個数: 72

約数和(自身を含む): 241825584

約数和(自身を除く): 160399668

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 468, 572, 858, 1287, 1716, 2574, 5148, 15817, 31634, 47451, 63268, 94902, 142353, 173987, 189804, 205621, 284706, 347974, 411242, 521961, 569412, 616863, 695948, 822484, 1043922, 1233726, 1565883, 1850589, 2087844, 2261831, 2467452, 3131766, 3701178, 4523662, 6263532, 6785493, 7402356, 9047324, 13570986, 20356479, 27141972, 40712958, 81425916]

約数ペア:

[(1, 81425916), (2, 40712958), (3, 27141972), (4, 20356479), (6, 13570986), (9, 9047324), (11, 7402356), (12, 6785493), (13, 6263532), (18, 4523662), (22, 3701178), (26, 3131766), (33, 2467452), (36, 2261831), (39, 2087844), (44, 1850589), (52, 1565883), (66, 1233726), (78, 1043922), (99, 822484), (117, 695948), (132, 616863), (143, 569412), (156, 521961), (198, 411242), (234, 347974), (286, 284706), (396, 205621), (429, 189804), (468, 173987), (572, 142353), (858, 94902), (1287, 63268), (1716, 47451), (2574, 31634), (5148, 15817)]