31394770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{12409}}^1$

素因数の和:12450

約数の個数: 32

約数和(自身を含む): 64333440

約数和(自身を除く): 32938670

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 12409, 24818, 62045, 124090, 136499, 272998, 285407, 570814, 682495, 1364990, 1427035, 2854070, 3139477, 6278954, 15697385, 31394770]

約数ペア:

[(1, 31394770), (2, 15697385), (5, 6278954), (10, 3139477), (11, 2854070), (22, 1427035), (23, 1364990), (46, 682495), (55, 570814), (110, 285407), (115, 272998), (230, 136499), (253, 124090), (506, 62045), (1265, 24818), (2530, 12409)]