81031522

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{599}}^1$

素因数の和:679

約数の個数: 48

約数和(自身を含む): 147470400

約数和(自身を除く): 66438878

約数列:

[1, 2, 11, 13, 22, 26, 43, 86, 121, 143, 242, 286, 473, 559, 599, 946, 1118, 1198, 1573, 3146, 5203, 6149, 6589, 7787, 10406, 12298, 13178, 15574, 25757, 51514, 67639, 72479, 85657, 135278, 144958, 171314, 283327, 334841, 566654, 669682, 942227, 1884454, 3116597, 3683251, 6233194, 7366502, 40515761, 81031522]

約数ペア:

[(1, 81031522), (2, 40515761), (11, 7366502), (13, 6233194), (22, 3683251), (26, 3116597), (43, 1884454), (86, 942227), (121, 669682), (143, 566654), (242, 334841), (286, 283327), (473, 171314), (559, 144958), (599, 135278), (946, 85657), (1118, 72479), (1198, 67639), (1573, 51514), (3146, 25757), (5203, 15574), (6149, 13178), (6589, 12298), (7787, 10406)]