81542272

素因数分解:

$2^7\times 7^2\times {\mathrm{13001}}^1$

素因数の和:13029

約数の個数: 48

約数和(自身を含む): 188984070

約数和(自身を除く): 107441798

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 392, 448, 784, 896, 1568, 3136, 6272, 13001, 26002, 52004, 91007, 104008, 182014, 208016, 364028, 416032, 637049, 728056, 832064, 1274098, 1456112, 1664128, 2548196, 2912224, 5096392, 5824448, 10192784, 11648896, 20385568, 40771136, 81542272]

約数ペア:

[(1, 81542272), (2, 40771136), (4, 20385568), (7, 11648896), (8, 10192784), (14, 5824448), (16, 5096392), (28, 2912224), (32, 2548196), (49, 1664128), (56, 1456112), (64, 1274098), (98, 832064), (112, 728056), (128, 637049), (196, 416032), (224, 364028), (392, 208016), (448, 182014), (784, 104008), (896, 91007), (1568, 52004), (3136, 26002), (6272, 13001)]