81921684

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{2179}}^1$

素因数の和:2440

約数の個数: 48

約数和(自身を含む): 206803520

約数和(自身を除く): 124881836

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 241, 482, 723, 964, 1446, 2179, 2892, 3133, 4358, 6266, 6537, 8716, 9399, 12532, 13074, 18798, 26148, 28327, 37596, 56654, 84981, 113308, 169962, 339924, 525139, 1050278, 1575417, 2100556, 3150834, 6301668, 6826807, 13653614, 20480421, 27307228, 40960842, 81921684]

約数ペア:

[(1, 81921684), (2, 40960842), (3, 27307228), (4, 20480421), (6, 13653614), (12, 6826807), (13, 6301668), (26, 3150834), (39, 2100556), (52, 1575417), (78, 1050278), (156, 525139), (241, 339924), (482, 169962), (723, 113308), (964, 84981), (1446, 56654), (2179, 37596), (2892, 28327), (3133, 26148), (4358, 18798), (6266, 13074), (6537, 12532), (8716, 9399)]