128800784

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37097}}^1$

素因数の和:37143

約数の個数: 40

約数和(自身を含む): 294409728

約数和(自身を除く): 165608944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 37097, 74194, 148388, 259679, 296776, 519358, 593552, 1038716, 1150007, 2077432, 2300014, 4154864, 4600028, 8050049, 9200056, 16100098, 18400112, 32200196, 64400392, 128800784]

約数ペア:

[(1, 128800784), (2, 64400392), (4, 32200196), (7, 18400112), (8, 16100098), (14, 9200056), (16, 8050049), (28, 4600028), (31, 4154864), (56, 2300014), (62, 2077432), (112, 1150007), (124, 1038716), (217, 593552), (248, 519358), (434, 296776), (496, 259679), (868, 148388), (1736, 74194), (3472, 37097)]