81771264

素因数分解:

$2^8\times 3^2\times {\mathrm{35491}}^1$

素因数の和:35513

約数の個数: 54

約数和(自身を含む): 235773356

約数和(自身を除く): 154002092

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 576, 768, 1152, 2304, 35491, 70982, 106473, 141964, 212946, 283928, 319419, 425892, 567856, 638838, 851784, 1135712, 1277676, 1703568, 2271424, 2555352, 3407136, 4542848, 5110704, 6814272, 9085696, 10221408, 13628544, 20442816, 27257088, 40885632, 81771264]

約数ペア:

[(1, 81771264), (2, 40885632), (3, 27257088), (4, 20442816), (6, 13628544), (8, 10221408), (9, 9085696), (12, 6814272), (16, 5110704), (18, 4542848), (24, 3407136), (32, 2555352), (36, 2271424), (48, 1703568), (64, 1277676), (72, 1135712), (96, 851784), (128, 638838), (144, 567856), (192, 425892), (256, 319419), (288, 283928), (384, 212946), (576, 141964), (768, 106473), (1152, 70982), (2304, 35491)]