77288257

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 89579520

約数和(自身を除く): 12291263

約数列:

[1, 19, 23, 47, 53, 71, 437, 893, 1007, 1081, 1219, 1349, 1633, 2491, 3337, 3763, 20539, 23161, 31027, 47329, 57293, 63403, 71497, 76751, 86549, 176861, 1088567, 1458269, 1644431, 3360359, 4067803, 77288257]

約数ペア:

[(1, 77288257), (19, 4067803), (23, 3360359), (47, 1644431), (53, 1458269), (71, 1088567), (437, 176861), (893, 86549), (1007, 76751), (1081, 71497), (1219, 63403), (1349, 57293), (1633, 47329), (2491, 31027), (3337, 23161), (3763, 20539)]