638172

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:343

約数の個数: 48

約数和(自身を含む): 1747200

約数和(自身を除く): 1109028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 311, 342, 513, 622, 684, 933, 1026, 1244, 1866, 2052, 2799, 3732, 5598, 5909, 8397, 11196, 11818, 16794, 17727, 23636, 33588, 35454, 53181, 70908, 106362, 159543, 212724, 319086, 638172]

約数ペア:

[(1, 638172), (2, 319086), (3, 212724), (4, 159543), (6, 106362), (9, 70908), (12, 53181), (18, 35454), (19, 33588), (27, 23636), (36, 17727), (38, 16794), (54, 11818), (57, 11196), (76, 8397), (108, 5909), (114, 5598), (171, 3732), (228, 2799), (311, 2052), (342, 1866), (513, 1244), (622, 1026), (684, 933)]