205281752

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1553}}^1$

素因数の和:1644

約数の個数: 64

約数和(自身を含む): 438600960

約数和(自身を除く): 233319208

約数列:

[1, 2, 4, 8, 13, 26, 31, 41, 52, 62, 82, 104, 124, 164, 248, 328, 403, 533, 806, 1066, 1271, 1553, 1612, 2132, 2542, 3106, 3224, 4264, 5084, 6212, 10168, 12424, 16523, 20189, 33046, 40378, 48143, 63673, 66092, 80756, 96286, 127346, 132184, 161512, 192572, 254692, 385144, 509384, 625859, 827749, 1251718, 1655498, 1973863, 2503436, 3310996, 3947726, 5006872, 6621992, 7895452, 15790904, 25660219, 51320438, 102640876, 205281752]

約数ペア:

[(1, 205281752), (2, 102640876), (4, 51320438), (8, 25660219), (13, 15790904), (26, 7895452), (31, 6621992), (41, 5006872), (52, 3947726), (62, 3310996), (82, 2503436), (104, 1973863), (124, 1655498), (164, 1251718), (248, 827749), (328, 625859), (403, 509384), (533, 385144), (806, 254692), (1066, 192572), (1271, 161512), (1553, 132184), (1612, 127346), (2132, 96286), (2542, 80756), (3106, 66092), (3224, 63673), (4264, 48143), (5084, 40378), (6212, 33046), (10168, 20189), (12424, 16523)]