219964577

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{1237}}^1$

素因数の和:1461

約数の個数: 24

約数和(自身を含む): 270973440

約数和(自身を除く): 51008863

約数列:

[1, 7, 19, 49, 133, 191, 931, 1237, 1337, 3629, 8659, 9359, 23503, 25403, 60613, 164521, 177821, 236267, 1151647, 1653869, 4489073, 11577083, 31423511, 219964577]

約数ペア:

[(1, 219964577), (7, 31423511), (19, 11577083), (49, 4489073), (133, 1653869), (191, 1151647), (931, 236267), (1237, 177821), (1337, 164521), (3629, 60613), (8659, 25403), (9359, 23503)]