212320801

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1409}}^1$

素因数の和:1549

約数の個数: 32

約数和(自身を含む): 281548800

約数和(自身を除く): 69227999

約数列:

[1, 7, 11, 19, 77, 103, 133, 209, 721, 1133, 1409, 1463, 1957, 7931, 9863, 13699, 15499, 21527, 26771, 108493, 145127, 150689, 187397, 294481, 1015889, 1596397, 2061367, 2757413, 11174779, 19301891, 30331543, 212320801]

約数ペア:

[(1, 212320801), (7, 30331543), (11, 19301891), (19, 11174779), (77, 2757413), (103, 2061367), (133, 1596397), (209, 1015889), (721, 294481), (1133, 187397), (1409, 150689), (1463, 145127), (1957, 108493), (7931, 26771), (9863, 21527), (13699, 15499)]