157220728

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{599}}^1$

素因数の和:764

約数の個数: 64

約数和(自身を含む): 348480000

約数和(自身を除く): 191259272

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 109, 172, 218, 301, 344, 436, 599, 602, 763, 872, 1198, 1204, 1526, 2396, 2408, 3052, 4193, 4687, 4792, 6104, 8386, 9374, 16772, 18748, 25757, 32809, 33544, 37496, 51514, 65291, 65618, 103028, 130582, 131236, 180299, 206056, 261164, 262472, 360598, 457037, 522328, 721196, 914074, 1442392, 1828148, 2807513, 3656296, 5615026, 11230052, 19652591, 22460104, 39305182, 78610364, 157220728]

約数ペア:

[(1, 157220728), (2, 78610364), (4, 39305182), (7, 22460104), (8, 19652591), (14, 11230052), (28, 5615026), (43, 3656296), (56, 2807513), (86, 1828148), (109, 1442392), (172, 914074), (218, 721196), (301, 522328), (344, 457037), (436, 360598), (599, 262472), (602, 261164), (763, 206056), (872, 180299), (1198, 131236), (1204, 130582), (1526, 103028), (2396, 65618), (2408, 65291), (3052, 51514), (4193, 37496), (4687, 33544), (4792, 32809), (6104, 25757), (8386, 18748), (9374, 16772)]