81136726

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2659}}^1$

素因数の和:2764

約数の個数: 32

約数和(自身を含む): 141724800

約数和(自身を除く): 60588074

約数列:

[1, 2, 11, 19, 22, 38, 73, 146, 209, 418, 803, 1387, 1606, 2659, 2774, 5318, 15257, 29249, 30514, 50521, 58498, 101042, 194107, 388214, 555731, 1111462, 2135177, 3688033, 4270354, 7376066, 40568363, 81136726]

約数ペア:

[(1, 81136726), (2, 40568363), (11, 7376066), (19, 4270354), (22, 3688033), (38, 2135177), (73, 1111462), (146, 555731), (209, 388214), (418, 194107), (803, 101042), (1387, 58498), (1606, 50521), (2659, 30514), (2774, 29249), (5318, 15257)]