131423632

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{1031}}^1$

素因数の和:1327

約数の個数: 40

約数和(自身を含む): 264125952

約数和(自身を除く): 132702320

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 257, 496, 514, 1028, 1031, 2056, 2062, 4112, 4124, 7967, 8248, 15934, 16496, 31868, 31961, 63736, 63922, 127472, 127844, 255688, 264967, 511376, 529934, 1059868, 2119736, 4239472, 8213977, 16427954, 32855908, 65711816, 131423632]

約数ペア:

[(1, 131423632), (2, 65711816), (4, 32855908), (8, 16427954), (16, 8213977), (31, 4239472), (62, 2119736), (124, 1059868), (248, 529934), (257, 511376), (496, 264967), (514, 255688), (1028, 127844), (1031, 127472), (2056, 63922), (2062, 63736), (4112, 31961), (4124, 31868), (7967, 16496), (8248, 15934)]