291239586

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{20717}}^1$

素因数の和:20807

約数の個数: 48

約数和(自身を含む): 698113728

約数和(自身を除く): 406874142

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 71, 99, 142, 198, 213, 426, 639, 781, 1278, 1562, 2343, 4686, 7029, 14058, 20717, 41434, 62151, 124302, 186453, 227887, 372906, 455774, 683661, 1367322, 1470907, 2050983, 2941814, 4101966, 4412721, 8825442, 13238163, 16179977, 26476326, 32359954, 48539931, 97079862, 145619793, 291239586]

約数ペア:

[(1, 291239586), (2, 145619793), (3, 97079862), (6, 48539931), (9, 32359954), (11, 26476326), (18, 16179977), (22, 13238163), (33, 8825442), (66, 4412721), (71, 4101966), (99, 2941814), (142, 2050983), (198, 1470907), (213, 1367322), (426, 683661), (639, 455774), (781, 372906), (1278, 227887), (1562, 186453), (2343, 124302), (4686, 62151), (7029, 41434), (14058, 20717)]