155526868

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 317116800

約数和(自身を除く): 161589932

約数列:

[1, 2, 4, 7, 14, 28, 109, 131, 218, 262, 389, 436, 524, 763, 778, 917, 1526, 1556, 1834, 2723, 3052, 3668, 5446, 10892, 14279, 28558, 42401, 50959, 57116, 84802, 99953, 101918, 169604, 199906, 203836, 296807, 356713, 399812, 593614, 713426, 1187228, 1426852, 5554531, 11109062, 22218124, 38881717, 77763434, 155526868]

約数ペア:

[(1, 155526868), (2, 77763434), (4, 38881717), (7, 22218124), (14, 11109062), (28, 5554531), (109, 1426852), (131, 1187228), (218, 713426), (262, 593614), (389, 399812), (436, 356713), (524, 296807), (763, 203836), (778, 199906), (917, 169604), (1526, 101918), (1556, 99953), (1834, 84802), (2723, 57116), (3052, 50959), (3668, 42401), (5446, 28558), (10892, 14279)]