157219265

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{349}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 220819200

約数和(自身を除く): 63599935

約数列:

[1, 5, 7, 35, 61, 211, 305, 349, 427, 1055, 1477, 1745, 2135, 2443, 7385, 12215, 12871, 21289, 64355, 73639, 90097, 106445, 149023, 368195, 450485, 515473, 745115, 2577365, 4491979, 22459895, 31443853, 157219265]

約数ペア:

[(1, 157219265), (5, 31443853), (7, 22459895), (35, 4491979), (61, 2577365), (211, 745115), (305, 515473), (349, 450485), (427, 368195), (1055, 149023), (1477, 106445), (1745, 90097), (2135, 73639), (2443, 64355), (7385, 21289), (12215, 12871)]