261723264

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{61961}}^1$

素因数の和:61989

約数の個数: 64

約数和(自身を含む): 758414880

約数和(自身を除く): 496691616

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 96, 128, 132, 176, 192, 264, 352, 384, 528, 704, 1056, 1408, 2112, 4224, 61961, 123922, 185883, 247844, 371766, 495688, 681571, 743532, 991376, 1363142, 1487064, 1982752, 2044713, 2726284, 2974128, 3965504, 4089426, 5452568, 5948256, 7931008, 8178852, 10905136, 11896512, 16357704, 21810272, 23793024, 32715408, 43620544, 65430816, 87241088, 130861632, 261723264]

約数ペア:

[(1, 261723264), (2, 130861632), (3, 87241088), (4, 65430816), (6, 43620544), (8, 32715408), (11, 23793024), (12, 21810272), (16, 16357704), (22, 11896512), (24, 10905136), (32, 8178852), (33, 7931008), (44, 5948256), (48, 5452568), (64, 4089426), (66, 3965504), (88, 2974128), (96, 2726284), (128, 2044713), (132, 1982752), (176, 1487064), (192, 1363142), (264, 991376), (352, 743532), (384, 681571), (528, 495688), (704, 371766), (1056, 247844), (1408, 185883), (2112, 123922), (4224, 61961)]