81126656

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1283}}^1$

素因数の和:1331

約数の個数: 72

約数和(自身を含む): 183714720

約数和(自身を除く): 102588064

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 256, 304, 416, 494, 608, 832, 988, 1216, 1283, 1664, 1976, 2432, 2566, 3328, 3952, 4864, 5132, 7904, 10264, 15808, 16679, 20528, 24377, 31616, 33358, 41056, 48754, 63232, 66716, 82112, 97508, 133432, 164224, 195016, 266864, 316901, 328448, 390032, 533728, 633802, 780064, 1067456, 1267604, 1560128, 2134912, 2535208, 3120256, 4269824, 5070416, 6240512, 10140832, 20281664, 40563328, 81126656]

約数ペア:

[(1, 81126656), (2, 40563328), (4, 20281664), (8, 10140832), (13, 6240512), (16, 5070416), (19, 4269824), (26, 3120256), (32, 2535208), (38, 2134912), (52, 1560128), (64, 1267604), (76, 1067456), (104, 780064), (128, 633802), (152, 533728), (208, 390032), (247, 328448), (256, 316901), (304, 266864), (416, 195016), (494, 164224), (608, 133432), (832, 97508), (988, 82112), (1216, 66716), (1283, 63232), (1664, 48754), (1976, 41056), (2432, 33358), (2566, 31616), (3328, 24377), (3952, 20528), (4864, 16679), (5132, 15808), (7904, 10264)]