1780739844

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{72707}}^1$

素因数の和:72884

約数の個数: 48

約数和(自身を含む): 4503242688

約数和(自身を除く): 2722502844

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 157, 314, 471, 628, 942, 1884, 2041, 4082, 6123, 8164, 12246, 24492, 72707, 145414, 218121, 290828, 436242, 872484, 945191, 1890382, 2835573, 3780764, 5671146, 11342292, 11414999, 22829998, 34244997, 45659996, 68489994, 136979988, 148394987, 296789974, 445184961, 593579948, 890369922, 1780739844]

約数ペア:

[(1, 1780739844), (2, 890369922), (3, 593579948), (4, 445184961), (6, 296789974), (12, 148394987), (13, 136979988), (26, 68489994), (39, 45659996), (52, 34244997), (78, 22829998), (156, 11414999), (157, 11342292), (314, 5671146), (471, 3780764), (628, 2835573), (942, 1890382), (1884, 945191), (2041, 872484), (4082, 436242), (6123, 290828), (8164, 218121), (12246, 145414), (24492, 72707)]