388634588

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{997}}^1$

素因数の和:1266

約数の個数: 48

約数和(自身を含む): 751134720

約数和(自身を除く): 362500132

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 223, 437, 446, 874, 892, 997, 1748, 1994, 3988, 4237, 5129, 8474, 10258, 16948, 18943, 20516, 22931, 37886, 45862, 75772, 91724, 97451, 194902, 222331, 389804, 435689, 444662, 871378, 889324, 1742756, 4224289, 5113613, 8448578, 10227226, 16897156, 20454452, 97158647, 194317294, 388634588]

約数ペア:

[(1, 388634588), (2, 194317294), (4, 97158647), (19, 20454452), (23, 16897156), (38, 10227226), (46, 8448578), (76, 5113613), (92, 4224289), (223, 1742756), (437, 889324), (446, 871378), (874, 444662), (892, 435689), (997, 389804), (1748, 222331), (1994, 194902), (3988, 97451), (4237, 91724), (5129, 75772), (8474, 45862), (10258, 37886), (16948, 22931), (18943, 20516)]