81318378

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{743}}^1$

素因数の和:831

約数の個数: 64

約数和(自身を含む): 183202560

約数和(自身を除く): 101884182

約数列:

[1, 2, 3, 6, 17, 29, 34, 37, 51, 58, 74, 87, 102, 111, 174, 222, 493, 629, 743, 986, 1073, 1258, 1479, 1486, 1887, 2146, 2229, 2958, 3219, 3774, 4458, 6438, 12631, 18241, 21547, 25262, 27491, 36482, 37893, 43094, 54723, 54982, 64641, 75786, 82473, 109446, 129282, 164946, 366299, 467347, 732598, 797239, 934694, 1098897, 1402041, 1594478, 2197794, 2391717, 2804082, 4783434, 13553063, 27106126, 40659189, 81318378]

約数ペア:

[(1, 81318378), (2, 40659189), (3, 27106126), (6, 13553063), (17, 4783434), (29, 2804082), (34, 2391717), (37, 2197794), (51, 1594478), (58, 1402041), (74, 1098897), (87, 934694), (102, 797239), (111, 732598), (174, 467347), (222, 366299), (493, 164946), (629, 129282), (743, 109446), (986, 82473), (1073, 75786), (1258, 64641), (1479, 54982), (1486, 54723), (1887, 43094), (2146, 37893), (2229, 36482), (2958, 27491), (3219, 25262), (3774, 21547), (4458, 18241), (6438, 12631)]