155495893

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 191987712

約数和(自身を除く): 36491819

約数列:

[1, 7, 23, 61, 71, 161, 223, 427, 497, 1403, 1561, 1633, 4331, 5129, 9821, 11431, 13603, 15833, 30317, 35903, 95221, 99613, 110831, 312869, 364159, 697291, 965813, 2190083, 2549113, 6760691, 22213699, 155495893]

約数ペア:

[(1, 155495893), (7, 22213699), (23, 6760691), (61, 2549113), (71, 2190083), (161, 965813), (223, 697291), (427, 364159), (497, 312869), (1403, 110831), (1561, 99613), (1633, 95221), (4331, 35903), (5129, 30317), (9821, 15833), (11431, 13603)]