81271272

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{661}}^1$

素因数の和:826

約数の個数: 64

約数和(自身を含む): 209721600

約数和(自身を除く): 128450328

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 109, 141, 188, 218, 282, 327, 376, 436, 564, 654, 661, 872, 1128, 1308, 1322, 1983, 2616, 2644, 3966, 5123, 5288, 7932, 10246, 15369, 15864, 20492, 30738, 31067, 40984, 61476, 62134, 72049, 93201, 122952, 124268, 144098, 186402, 216147, 248536, 288196, 372804, 432294, 576392, 745608, 864588, 1729176, 3386303, 6772606, 10158909, 13545212, 20317818, 27090424, 40635636, 81271272]

約数ペア:

[(1, 81271272), (2, 40635636), (3, 27090424), (4, 20317818), (6, 13545212), (8, 10158909), (12, 6772606), (24, 3386303), (47, 1729176), (94, 864588), (109, 745608), (141, 576392), (188, 432294), (218, 372804), (282, 288196), (327, 248536), (376, 216147), (436, 186402), (564, 144098), (654, 124268), (661, 122952), (872, 93201), (1128, 72049), (1308, 62134), (1322, 61476), (1983, 40984), (2616, 31067), (2644, 30738), (3966, 20492), (5123, 15864), (5288, 15369), (7932, 10246)]