27638065

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 45158400

約数和(自身を除く): 17520335

約数列:

[1, 5, 7, 13, 19, 23, 35, 65, 91, 95, 115, 133, 139, 161, 247, 299, 437, 455, 665, 695, 805, 973, 1235, 1495, 1729, 1807, 2093, 2185, 2641, 3059, 3197, 4865, 5681, 8645, 9035, 10465, 12649, 13205, 15295, 15985, 18487, 22379, 28405, 34333, 39767, 41561, 60743, 63245, 92435, 111895, 171665, 198835, 207805, 240331, 290927, 303715, 425201, 789659, 1201655, 1454635, 2126005, 3948295, 5527613, 27638065]

約数ペア:

[(1, 27638065), (5, 5527613), (7, 3948295), (13, 2126005), (19, 1454635), (23, 1201655), (35, 789659), (65, 425201), (91, 303715), (95, 290927), (115, 240331), (133, 207805), (139, 198835), (161, 171665), (247, 111895), (299, 92435), (437, 63245), (455, 60743), (665, 41561), (695, 39767), (805, 34333), (973, 28405), (1235, 22379), (1495, 18487), (1729, 15985), (1807, 15295), (2093, 13205), (2185, 12649), (2641, 10465), (3059, 9035), (3197, 8645), (4865, 5681)]