258339536

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{177431}}^1$

素因数の和:177459

約数の個数: 40

約数和(自身を含む): 616043904

約数和(自身を除く): 357704368

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 177431, 354862, 709724, 1242017, 1419448, 2306603, 2484034, 2838896, 4613206, 4968068, 9226412, 9936136, 16146221, 18452824, 19872272, 32292442, 36905648, 64584884, 129169768, 258339536]

約数ペア:

[(1, 258339536), (2, 129169768), (4, 64584884), (7, 36905648), (8, 32292442), (13, 19872272), (14, 18452824), (16, 16146221), (26, 9936136), (28, 9226412), (52, 4968068), (56, 4613206), (91, 2838896), (104, 2484034), (112, 2306603), (182, 1419448), (208, 1242017), (364, 709724), (728, 354862), (1456, 177431)]