64400392

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37097}}^1$

素因数の和:37141

約数の個数: 32

約数和(自身を含む): 142456320

約数和(自身を除く): 78055928

約数列:

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

約数ペア:

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