212438051

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 261316608

約数和(自身を除く): 48878557

約数列:

[1, 7, 23, 61, 97, 161, 223, 427, 679, 1403, 1561, 2231, 5129, 5917, 9821, 13603, 15617, 21631, 35903, 41419, 95221, 136091, 151417, 312869, 497513, 952637, 1319491, 2190083, 3482591, 9236437, 30348293, 212438051]

約数ペア:

[(1, 212438051), (7, 30348293), (23, 9236437), (61, 3482591), (97, 2190083), (161, 1319491), (223, 952637), (427, 497513), (679, 312869), (1403, 151417), (1561, 136091), (2231, 95221), (5129, 41419), (5917, 35903), (9821, 21631), (13603, 15617)]