638045942409

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{659}}^1\times {\mathrm{17581}}^1$

素因数の和:18486

約数の個数: 48

約数和(自身を含む): 959428641600

約数和(自身を除く): 321382699191

約数列:

[1, 3, 9, 29, 87, 211, 261, 633, 659, 1899, 1977, 5931, 6119, 17581, 18357, 19111, 52743, 55071, 57333, 139049, 158229, 171999, 417147, 509849, 1251441, 1529547, 3709591, 4032421, 4588641, 11128773, 11585879, 12097263, 33386319, 34757637, 36291789, 104272911, 107578139, 322734417, 335990491, 968203251, 1007971473, 2444620469, 3023914419, 7333861407, 22001584221, 70893993601, 212681980803, 638045942409]

約数ペア:

[(1, 638045942409), (3, 212681980803), (9, 70893993601), (29, 22001584221), (87, 7333861407), (211, 3023914419), (261, 2444620469), (633, 1007971473), (659, 968203251), (1899, 335990491), (1977, 322734417), (5931, 107578139), (6119, 104272911), (17581, 36291789), (18357, 34757637), (19111, 33386319), (52743, 12097263), (55071, 11585879), (57333, 11128773), (139049, 4588641), (158229, 4032421), (171999, 3709591), (417147, 1529547), (509849, 1251441)]