127977976

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53147}}^1$

素因数の和:53203

約数の個数: 32

約数和(自身を含む): 280621440

約数和(自身を除く): 152643464

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 53147, 106294, 212588, 372029, 425176, 744058, 1488116, 2285321, 2976232, 4570642, 9141284, 15997247, 18282568, 31994494, 63988988, 127977976]

約数ペア:

[(1, 127977976), (2, 63988988), (4, 31994494), (7, 18282568), (8, 15997247), (14, 9141284), (28, 4570642), (43, 2976232), (56, 2285321), (86, 1488116), (172, 744058), (301, 425176), (344, 372029), (602, 212588), (1204, 106294), (2408, 53147)]