220809743

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{241}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 281943552

約数和(自身を除く): 61133809

約数列:

[1, 7, 11, 73, 77, 163, 241, 511, 803, 1141, 1687, 1793, 2651, 5621, 11899, 12551, 17593, 18557, 39283, 83293, 123151, 130889, 193523, 274981, 432113, 916223, 1354661, 2867659, 3024791, 20073613, 31544249, 220809743]

約数ペア:

[(1, 220809743), (7, 31544249), (11, 20073613), (73, 3024791), (77, 2867659), (163, 1354661), (241, 916223), (511, 432113), (803, 274981), (1141, 193523), (1687, 130889), (1793, 123151), (2651, 83293), (5621, 39283), (11899, 18557), (12551, 17593)]