128338688

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{293}}^1$

素因数の和:397

約数の個数: 72

約数和(自身を含む): 270421200

約数和(自身を除く): 142082512

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 59, 64, 116, 118, 128, 232, 236, 256, 293, 464, 472, 586, 928, 944, 1172, 1711, 1856, 1888, 2344, 3422, 3712, 3776, 4688, 6844, 7424, 7552, 8497, 9376, 13688, 15104, 16994, 17287, 18752, 27376, 33988, 34574, 37504, 54752, 67976, 69148, 75008, 109504, 135952, 138296, 219008, 271904, 276592, 438016, 501323, 543808, 553184, 1002646, 1087616, 1106368, 2005292, 2175232, 2212736, 4010584, 4425472, 8021168, 16042336, 32084672, 64169344, 128338688]

約数ペア:

[(1, 128338688), (2, 64169344), (4, 32084672), (8, 16042336), (16, 8021168), (29, 4425472), (32, 4010584), (58, 2212736), (59, 2175232), (64, 2005292), (116, 1106368), (118, 1087616), (128, 1002646), (232, 553184), (236, 543808), (256, 501323), (293, 438016), (464, 276592), (472, 271904), (586, 219008), (928, 138296), (944, 135952), (1172, 109504), (1711, 75008), (1856, 69148), (1888, 67976), (2344, 54752), (3422, 37504), (3712, 34574), (3776, 33988), (4688, 27376), (6844, 18752), (7424, 17287), (7552, 16994), (8497, 15104), (9376, 13688)]