181333012

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{293}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 392370048

約数和(自身を除く): 211037036

約数列:

[1, 2, 4, 7, 14, 23, 28, 31, 46, 62, 92, 124, 161, 217, 293, 322, 434, 586, 644, 713, 868, 961, 1172, 1426, 1922, 2051, 2852, 3844, 4102, 4991, 6727, 6739, 8204, 9083, 9982, 13454, 13478, 18166, 19964, 22103, 26908, 26956, 36332, 44206, 47173, 63581, 88412, 94346, 127162, 154721, 188692, 208909, 254324, 281573, 309442, 417818, 563146, 618884, 835636, 1126292, 1462363, 1971011, 2924726, 3942022, 5849452, 6476179, 7884044, 12952358, 25904716, 45333253, 90666506, 181333012]

約数ペア:

[(1, 181333012), (2, 90666506), (4, 45333253), (7, 25904716), (14, 12952358), (23, 7884044), (28, 6476179), (31, 5849452), (46, 3942022), (62, 2924726), (92, 1971011), (124, 1462363), (161, 1126292), (217, 835636), (293, 618884), (322, 563146), (434, 417818), (586, 309442), (644, 281573), (713, 254324), (868, 208909), (961, 188692), (1172, 154721), (1426, 127162), (1922, 94346), (2051, 88412), (2852, 63581), (3844, 47173), (4102, 44206), (4991, 36332), (6727, 26956), (6739, 26908), (8204, 22103), (9083, 19964), (9982, 18166), (13454, 13478)]