399217246

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 678585600

約数和(自身を除く): 279368354

約数列:

[1, 2, 19, 38, 41, 43, 59, 82, 86, 101, 118, 202, 779, 817, 1121, 1558, 1634, 1763, 1919, 2242, 2419, 2537, 3526, 3838, 4141, 4343, 4838, 5074, 5959, 8282, 8686, 11918, 33497, 45961, 48203, 66994, 78679, 82517, 91922, 96406, 104017, 113221, 157358, 165034, 178063, 208034, 226442, 244319, 256237, 356126, 488638, 512474, 1976323, 3383197, 3952646, 4642061, 4868503, 6766394, 9284122, 9737006, 10505717, 21011434, 199608623, 399217246]

約数ペア:

[(1, 399217246), (2, 199608623), (19, 21011434), (38, 10505717), (41, 9737006), (43, 9284122), (59, 6766394), (82, 4868503), (86, 4642061), (101, 3952646), (118, 3383197), (202, 1976323), (779, 512474), (817, 488638), (1121, 356126), (1558, 256237), (1634, 244319), (1763, 226442), (1919, 208034), (2242, 178063), (2419, 165034), (2537, 157358), (3526, 113221), (3838, 104017), (4141, 96406), (4343, 91922), (4838, 82517), (5074, 78679), (5959, 66994), (8282, 48203), (8686, 45961), (11918, 33497)]