256181604

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{463}}^1\times {\mathrm{941}}^1$

素因数の和:1425

約数の個数: 72

約数和(自身を含む): 697592448

約数和(自身を除く): 441410844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 463, 588, 926, 941, 1389, 1852, 1882, 2778, 2823, 3241, 3764, 5556, 5646, 6482, 6587, 9723, 11292, 12964, 13174, 19446, 19761, 22687, 26348, 38892, 39522, 45374, 46109, 68061, 79044, 90748, 92218, 136122, 138327, 184436, 272244, 276654, 435683, 553308, 871366, 1307049, 1742732, 2614098, 3049781, 5228196, 6099562, 9149343, 12199124, 18298686, 21348467, 36597372, 42696934, 64045401, 85393868, 128090802, 256181604]

約数ペア:

[(1, 256181604), (2, 128090802), (3, 85393868), (4, 64045401), (6, 42696934), (7, 36597372), (12, 21348467), (14, 18298686), (21, 12199124), (28, 9149343), (42, 6099562), (49, 5228196), (84, 3049781), (98, 2614098), (147, 1742732), (196, 1307049), (294, 871366), (463, 553308), (588, 435683), (926, 276654), (941, 272244), (1389, 184436), (1852, 138327), (1882, 136122), (2778, 92218), (2823, 90748), (3241, 79044), (3764, 68061), (5556, 46109), (5646, 45374), (6482, 39522), (6587, 38892), (9723, 26348), (11292, 22687), (12964, 19761), (13174, 19446)]