638538006

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{69061}}^1$

素因数の和:69156

約数の個数: 32

約数和(自身を含む): 1352510208

約数和(自身を除く): 713972202

約数列:

[1, 2, 3, 6, 23, 46, 67, 69, 134, 138, 201, 402, 1541, 3082, 4623, 9246, 69061, 138122, 207183, 414366, 1588403, 3176806, 4627087, 4765209, 9254174, 9530418, 13881261, 27762522, 106423001, 212846002, 319269003, 638538006]

約数ペア:

[(1, 638538006), (2, 319269003), (3, 212846002), (6, 106423001), (23, 27762522), (46, 13881261), (67, 9530418), (69, 9254174), (134, 4765209), (138, 4627087), (201, 3176806), (402, 1588403), (1541, 414366), (3082, 207183), (4623, 138122), (9246, 69061)]