71613451

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 96972960

約数和(自身を除く): 25359509

約数列:

[1, 7, 13, 19, 49, 61, 91, 97, 133, 247, 427, 637, 679, 793, 931, 1159, 1261, 1729, 1843, 2989, 4753, 5551, 5917, 8113, 8827, 12103, 12901, 15067, 23959, 38857, 41419, 56791, 61789, 76921, 90307, 105469, 112423, 167713, 289933, 538447, 738283, 786961, 1173991, 1461499, 3769129, 5508727, 10230493, 71613451]

約数ペア:

[(1, 71613451), (7, 10230493), (13, 5508727), (19, 3769129), (49, 1461499), (61, 1173991), (91, 786961), (97, 738283), (133, 538447), (247, 289933), (427, 167713), (637, 112423), (679, 105469), (793, 90307), (931, 76921), (1159, 61789), (1261, 56791), (1729, 41419), (1843, 38857), (2989, 23959), (4753, 15067), (5551, 12901), (5917, 12103), (8113, 8827)]