321938705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1621}}^1$

素因数の和:1817

約数の個数: 32

約数和(自身を含む): 442844928

約数和(自身を除く): 120906223

約数列:

[1, 5, 11, 23, 55, 115, 157, 253, 785, 1265, 1621, 1727, 3611, 8105, 8635, 17831, 18055, 37283, 39721, 89155, 186415, 198605, 254497, 410113, 1272485, 2050565, 2799467, 5853431, 13997335, 29267155, 64387741, 321938705]

約数ペア:

[(1, 321938705), (5, 64387741), (11, 29267155), (23, 13997335), (55, 5853431), (115, 2799467), (157, 2050565), (253, 1272485), (785, 410113), (1265, 254497), (1621, 198605), (1727, 186415), (3611, 89155), (8105, 39721), (8635, 37283), (17831, 18055)]