221399704

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1823}}^1$

素因数の和:1912

約数の個数: 64

約数和(自身を含む): 472780800

約数和(自身を除く): 251381096

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 47, 68, 76, 94, 136, 152, 188, 323, 376, 646, 799, 893, 1292, 1598, 1786, 1823, 2584, 3196, 3572, 3646, 6392, 7144, 7292, 14584, 15181, 30362, 30991, 34637, 60724, 61982, 69274, 85681, 121448, 123964, 138548, 171362, 247928, 277096, 342724, 588829, 685448, 1177658, 1456577, 1627939, 2355316, 2913154, 3255878, 4710632, 5826308, 6511756, 11652616, 13023512, 27674963, 55349926, 110699852, 221399704]

約数ペア:

[(1, 221399704), (2, 110699852), (4, 55349926), (8, 27674963), (17, 13023512), (19, 11652616), (34, 6511756), (38, 5826308), (47, 4710632), (68, 3255878), (76, 2913154), (94, 2355316), (136, 1627939), (152, 1456577), (188, 1177658), (323, 685448), (376, 588829), (646, 342724), (799, 277096), (893, 247928), (1292, 171362), (1598, 138548), (1786, 123964), (1823, 121448), (2584, 85681), (3196, 69274), (3572, 61982), (3646, 60724), (6392, 34637), (7144, 30991), (7292, 30362), (14584, 15181)]