251796601

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 307445760

約数和(自身を除く): 55649159

約数列:

[1, 7, 31, 59, 71, 217, 277, 413, 497, 1829, 1939, 2201, 4189, 8587, 12803, 15407, 16343, 19667, 29323, 60109, 114401, 129859, 137669, 506633, 609677, 909013, 1160353, 3546431, 4267739, 8122471, 35970943, 251796601]

約数ペア:

[(1, 251796601), (7, 35970943), (31, 8122471), (59, 4267739), (71, 3546431), (217, 1160353), (277, 909013), (413, 609677), (497, 506633), (1829, 137669), (1939, 129859), (2201, 114401), (4189, 60109), (8587, 29323), (12803, 19667), (15407, 16343)]