81920722

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:367

約数の個数: 48

約数和(自身を含む): 144079560

約数和(自身を除く): 62158838

約数列:

[1, 2, 13, 17, 26, 34, 53, 106, 169, 221, 269, 338, 442, 538, 689, 901, 1378, 1802, 2873, 3497, 4573, 5746, 6994, 8957, 9146, 11713, 14257, 17914, 23426, 28514, 45461, 59449, 90922, 118898, 152269, 185341, 242369, 304538, 370682, 484738, 772837, 1545674, 2409433, 3150797, 4818866, 6301594, 40960361, 81920722]

約数ペア:

[(1, 81920722), (2, 40960361), (13, 6301594), (17, 4818866), (26, 3150797), (34, 2409433), (53, 1545674), (106, 772837), (169, 484738), (221, 370682), (269, 304538), (338, 242369), (442, 185341), (538, 152269), (689, 118898), (901, 90922), (1378, 59449), (1802, 45461), (2873, 28514), (3497, 23426), (4573, 17914), (5746, 14257), (6994, 11713), (8957, 9146)]