81787392

素因数分解:

$2^9\times 3^2\times {\mathrm{17749}}^1$

素因数の和:17773

約数の個数: 60

約数和(自身を含む): 236057250

約数和(自身を除く): 154269858

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, 512, 576, 768, 1152, 1536, 2304, 4608, 17749, 35498, 53247, 70996, 106494, 141992, 159741, 212988, 283984, 319482, 425976, 567968, 638964, 851952, 1135936, 1277928, 1703904, 2271872, 2555856, 3407808, 4543744, 5111712, 6815616, 9087488, 10223424, 13631232, 20446848, 27262464, 40893696, 81787392]

約数ペア:

[(1, 81787392), (2, 40893696), (3, 27262464), (4, 20446848), (6, 13631232), (8, 10223424), (9, 9087488), (12, 6815616), (16, 5111712), (18, 4543744), (24, 3407808), (32, 2555856), (36, 2271872), (48, 1703904), (64, 1277928), (72, 1135936), (96, 851952), (128, 638964), (144, 567968), (192, 425976), (256, 319482), (288, 283984), (384, 212988), (512, 159741), (576, 141992), (768, 106494), (1152, 70996), (1536, 53247), (2304, 35498), (4608, 17749)]