68907839

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:168

約数の個数: 64

約数和(自身を含む): 100251648

約数和(自身を除く): 31343809

約数列:

[1, 7, 11, 13, 23, 41, 73, 77, 91, 143, 161, 253, 287, 299, 451, 511, 533, 803, 943, 949, 1001, 1679, 1771, 2093, 2993, 3157, 3289, 3731, 5621, 5863, 6601, 6643, 10373, 10439, 11753, 12259, 18469, 20951, 21827, 23023, 32923, 38909, 41041, 68839, 72611, 73073, 85813, 129283, 134849, 152789, 230461, 240097, 272363, 427999, 481873, 757229, 894907, 943943, 1680679, 2995993, 5300603, 6264349, 9843977, 68907839]

約数ペア:

[(1, 68907839), (7, 9843977), (11, 6264349), (13, 5300603), (23, 2995993), (41, 1680679), (73, 943943), (77, 894907), (91, 757229), (143, 481873), (161, 427999), (253, 272363), (287, 240097), (299, 230461), (451, 152789), (511, 134849), (533, 129283), (803, 85813), (943, 73073), (949, 72611), (1001, 68839), (1679, 41041), (1771, 38909), (2093, 32923), (2993, 23023), (3157, 21827), (3289, 20951), (3731, 18469), (5621, 12259), (5863, 11753), (6601, 10439), (6643, 10373)]