826778890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{93001}}^1$

素因数の和:93142

約数の個数: 32

約数和(自身を含む): 1714212864

約数和(自身を除く): 887433974

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 254, 635, 889, 1270, 1778, 4445, 8890, 93001, 186002, 465005, 651007, 930010, 1302014, 3255035, 6510070, 11811127, 23622254, 59055635, 82677889, 118111270, 165355778, 413389445, 826778890]

約数ペア:

[(1, 826778890), (2, 413389445), (5, 165355778), (7, 118111270), (10, 82677889), (14, 59055635), (35, 23622254), (70, 11811127), (127, 6510070), (254, 3255035), (635, 1302014), (889, 930010), (1270, 651007), (1778, 465005), (4445, 186002), (8890, 93001)]