201217258

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 362880000

約数和(自身を除く): 161662742

約数列:

[1, 2, 11, 19, 22, 38, 41, 59, 82, 118, 199, 209, 398, 418, 451, 649, 779, 902, 1121, 1298, 1558, 2189, 2242, 2419, 3781, 4378, 4838, 7562, 8159, 8569, 11741, 12331, 16318, 17138, 23482, 24662, 26609, 41591, 45961, 53218, 83182, 89749, 91922, 129151, 155021, 179498, 223079, 258302, 310042, 446158, 481381, 505571, 962762, 1011142, 1705231, 2453869, 3410462, 4907738, 5295191, 9146239, 10590382, 18292478, 100608629, 201217258]

約数ペア:

[(1, 201217258), (2, 100608629), (11, 18292478), (19, 10590382), (22, 9146239), (38, 5295191), (41, 4907738), (59, 3410462), (82, 2453869), (118, 1705231), (199, 1011142), (209, 962762), (398, 505571), (418, 481381), (451, 446158), (649, 310042), (779, 258302), (902, 223079), (1121, 179498), (1298, 155021), (1558, 129151), (2189, 91922), (2242, 89749), (2419, 83182), (3781, 53218), (4378, 45961), (4838, 41591), (7562, 26609), (8159, 24662), (8569, 23482), (11741, 17138), (12331, 16318)]