1240621921

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{72251}}^1$

素因数の和:72492

約数の個数: 16

約数和(自身を含む): 1553707008

約数和(自身を除く): 313085087

約数列:

[1, 7, 11, 77, 223, 1561, 2453, 17171, 72251, 505757, 794761, 5563327, 16111973, 112783811, 177231703, 1240621921]

約数ペア:

[(1, 1240621921), (7, 177231703), (11, 112783811), (77, 16111973), (223, 5563327), (1561, 794761), (2453, 505757), (17171, 72251)]