1219820546

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1643963}}^1$

素因数の和:1644025

約数の個数: 16

約数和(自身を含む): 2130577344

約数和(自身を除く): 910756798

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 1643963, 3287926, 11507741, 23015482, 87130039, 174260078, 609910273, 1219820546]

約数ペア:

[(1, 1219820546), (2, 609910273), (7, 174260078), (14, 87130039), (53, 23015482), (106, 11507741), (371, 3287926), (742, 1643963)]