1278358128

素因数分解:

$2^4\times 3^2\times {\mathrm{647}}^1\times {\mathrm{13721}}^1$

素因数の和:14382

約数の個数: 60

約数和(自身を含む): 3583417968

約数和(自身を除く): 2305059840

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 647, 1294, 1941, 2588, 3882, 5176, 5823, 7764, 10352, 11646, 13721, 15528, 23292, 27442, 31056, 41163, 46584, 54884, 82326, 93168, 109768, 123489, 164652, 219536, 246978, 329304, 493956, 658608, 987912, 1975824, 8877487, 17754974, 26632461, 35509948, 53264922, 71019896, 79897383, 106529844, 142039792, 159794766, 213059688, 319589532, 426119376, 639179064, 1278358128]

約数ペア:

[(1, 1278358128), (2, 639179064), (3, 426119376), (4, 319589532), (6, 213059688), (8, 159794766), (9, 142039792), (12, 106529844), (16, 79897383), (18, 71019896), (24, 53264922), (36, 35509948), (48, 26632461), (72, 17754974), (144, 8877487), (647, 1975824), (1294, 987912), (1941, 658608), (2588, 493956), (3882, 329304), (5176, 246978), (5823, 219536), (7764, 164652), (10352, 123489), (11646, 109768), (13721, 93168), (15528, 82326), (23292, 54884), (27442, 46584), (31056, 41163)]