415220156

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{389}}^1\times {\mathrm{1579}}^1$

素因数の和:1998

約数の個数: 36

約数和(自身を含む): 789352200

約数和(自身を除く): 374132044

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 389, 676, 778, 1556, 1579, 3158, 5057, 6316, 10114, 20228, 20527, 41054, 65741, 82108, 131482, 262964, 266851, 533702, 614231, 1067404, 1228462, 2456924, 7985003, 15970006, 31940012, 103805039, 207610078, 415220156]

約数ペア:

[(1, 415220156), (2, 207610078), (4, 103805039), (13, 31940012), (26, 15970006), (52, 7985003), (169, 2456924), (338, 1228462), (389, 1067404), (676, 614231), (778, 533702), (1556, 266851), (1579, 262964), (3158, 131482), (5057, 82108), (6316, 65741), (10114, 41054), (20228, 20527)]