157414705

素因数分解:

$5^1\times 7^3\times {\mathrm{263}}^1\times {\mathrm{349}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 221760000

約数和(自身を除く): 64345295

約数列:

[1, 5, 7, 35, 49, 245, 263, 343, 349, 1315, 1715, 1745, 1841, 2443, 9205, 12215, 12887, 17101, 64435, 85505, 90209, 91787, 119707, 451045, 458935, 598535, 642509, 3212545, 4497563, 22487815, 31482941, 157414705]

約数ペア:

[(1, 157414705), (5, 31482941), (7, 22487815), (35, 4497563), (49, 3212545), (245, 642509), (263, 598535), (343, 458935), (349, 451045), (1315, 119707), (1715, 91787), (1745, 90209), (1841, 85505), (2443, 64435), (9205, 17101), (12215, 12887)]