81778688

素因数分解:

$2^{11}\times {\mathrm{73}}^1\times {\mathrm{547}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 166060440

約数和(自身を除く): 84281752

約数列:

[1, 2, 4, 8, 16, 32, 64, 73, 128, 146, 256, 292, 512, 547, 584, 1024, 1094, 1168, 2048, 2188, 2336, 4376, 4672, 8752, 9344, 17504, 18688, 35008, 37376, 39931, 70016, 74752, 79862, 140032, 149504, 159724, 280064, 319448, 560128, 638896, 1120256, 1277792, 2555584, 5111168, 10222336, 20444672, 40889344, 81778688]

約数ペア:

[(1, 81778688), (2, 40889344), (4, 20444672), (8, 10222336), (16, 5111168), (32, 2555584), (64, 1277792), (73, 1120256), (128, 638896), (146, 560128), (256, 319448), (292, 280064), (512, 159724), (547, 149504), (584, 140032), (1024, 79862), (1094, 74752), (1168, 70016), (2048, 39931), (2188, 37376), (2336, 35008), (4376, 18688), (4672, 17504), (8752, 9344)]