39894784

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 86093280

約数和(自身を除く): 46198496

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 89, 103, 128, 136, 178, 206, 256, 272, 356, 412, 544, 712, 824, 1088, 1424, 1513, 1648, 1751, 2176, 2848, 3026, 3296, 3502, 4352, 5696, 6052, 6592, 7004, 9167, 11392, 12104, 13184, 14008, 18334, 22784, 24208, 26368, 28016, 36668, 48416, 56032, 73336, 96832, 112064, 146672, 155839, 193664, 224128, 293344, 311678, 387328, 448256, 586688, 623356, 1173376, 1246712, 2346752, 2493424, 4986848, 9973696, 19947392, 39894784]

約数ペア:

[(1, 39894784), (2, 19947392), (4, 9973696), (8, 4986848), (16, 2493424), (17, 2346752), (32, 1246712), (34, 1173376), (64, 623356), (68, 586688), (89, 448256), (103, 387328), (128, 311678), (136, 293344), (178, 224128), (206, 193664), (256, 155839), (272, 146672), (356, 112064), (412, 96832), (544, 73336), (712, 56032), (824, 48416), (1088, 36668), (1424, 28016), (1513, 26368), (1648, 24208), (1751, 22784), (2176, 18334), (2848, 14008), (3026, 13184), (3296, 12104), (3502, 11392), (4352, 9167), (5696, 7004), (6052, 6592)]