221118599

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 260198400

約数和(自身を除く): 39079801

約数列:

[1, 13, 19, 43, 109, 191, 247, 559, 817, 1417, 2071, 2483, 3629, 4687, 8213, 10621, 20819, 26923, 47177, 60931, 89053, 106769, 156047, 270647, 395561, 895217, 1157689, 2028611, 5142293, 11637821, 17009123, 221118599]

約数ペア:

[(1, 221118599), (13, 17009123), (19, 11637821), (43, 5142293), (109, 2028611), (191, 1157689), (247, 895217), (559, 395561), (817, 270647), (1417, 156047), (2071, 106769), (2483, 89053), (3629, 60931), (4687, 47177), (8213, 26923), (10621, 20819)]