261508016

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{911}}^1$

素因数の和:1170

約数の個数: 80

約数和(自身を含む): 635102208

約数和(自身を除く): 373594192

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 233, 308, 466, 616, 911, 932, 1232, 1631, 1822, 1864, 2563, 3262, 3644, 3728, 5126, 6377, 6524, 7288, 10021, 10252, 12754, 13048, 14576, 17941, 20042, 20504, 25508, 26096, 35882, 40084, 41008, 51016, 70147, 71764, 80168, 102032, 140294, 143528, 160336, 212263, 280588, 287056, 424526, 561176, 849052, 1122352, 1485841, 1698104, 2334893, 2971682, 3396208, 4669786, 5943364, 9339572, 11886728, 16344251, 18679144, 23773456, 32688502, 37358288, 65377004, 130754008, 261508016]

約数ペア:

[(1, 261508016), (2, 130754008), (4, 65377004), (7, 37358288), (8, 32688502), (11, 23773456), (14, 18679144), (16, 16344251), (22, 11886728), (28, 9339572), (44, 5943364), (56, 4669786), (77, 3396208), (88, 2971682), (112, 2334893), (154, 1698104), (176, 1485841), (233, 1122352), (308, 849052), (466, 561176), (616, 424526), (911, 287056), (932, 280588), (1232, 212263), (1631, 160336), (1822, 143528), (1864, 140294), (2563, 102032), (3262, 80168), (3644, 71764), (3728, 70147), (5126, 51016), (6377, 41008), (6524, 40084), (7288, 35882), (10021, 26096), (10252, 25508), (12754, 20504), (13048, 20042), (14576, 17941)]