205319758

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:437

約数の個数: 64

約数和(自身を含む): 386039808

約数和(自身を除く): 180720050

約数列:

[1, 2, 7, 14, 23, 31, 46, 62, 67, 134, 161, 217, 307, 322, 434, 469, 614, 713, 938, 1426, 1541, 2077, 2149, 3082, 4154, 4298, 4991, 7061, 9517, 9982, 10787, 14122, 14539, 19034, 20569, 21574, 29078, 41138, 47771, 49427, 66619, 95542, 98854, 133238, 143983, 218891, 287966, 334397, 437782, 473087, 637639, 668794, 946174, 1275278, 1532237, 3064474, 3311609, 4463473, 6623218, 8926946, 14665697, 29331394, 102659879, 205319758]

約数ペア:

[(1, 205319758), (2, 102659879), (7, 29331394), (14, 14665697), (23, 8926946), (31, 6623218), (46, 4463473), (62, 3311609), (67, 3064474), (134, 1532237), (161, 1275278), (217, 946174), (307, 668794), (322, 637639), (434, 473087), (469, 437782), (614, 334397), (713, 287966), (938, 218891), (1426, 143983), (1541, 133238), (2077, 98854), (2149, 95542), (3082, 66619), (4154, 49427), (4298, 47771), (4991, 41138), (7061, 29078), (9517, 21574), (9982, 20569), (10787, 19034), (14122, 14539)]