196446556

素因数分解:

$2^2\times {\mathrm{191}}^1\times {\mathrm{389}}^1\times {\mathrm{661}}^1$

素因数の和:1245

約数の個数: 24

約数和(自身を含む): 346993920

約数和(自身を除く): 150547364

約数列:

[1, 2, 4, 191, 382, 389, 661, 764, 778, 1322, 1556, 2644, 74299, 126251, 148598, 252502, 257129, 297196, 505004, 514258, 1028516, 49111639, 98223278, 196446556]

約数ペア:

[(1, 196446556), (2, 98223278), (4, 49111639), (191, 1028516), (382, 514258), (389, 505004), (661, 297196), (764, 257129), (778, 252502), (1322, 148598), (1556, 126251), (2644, 74299)]