256339954

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{1259}}^1$

素因数の和:1506

約数の個数: 32

約数和(自身を含む): 426746880

約数和(自身を除く): 170406926

約数列:

[1, 2, 13, 26, 41, 82, 191, 382, 533, 1066, 1259, 2483, 2518, 4966, 7831, 15662, 16367, 32734, 51619, 101803, 103238, 203606, 240469, 480938, 671047, 1342094, 3126097, 6252194, 9859229, 19718458, 128169977, 256339954]

約数ペア:

[(1, 256339954), (2, 128169977), (13, 19718458), (26, 9859229), (41, 6252194), (82, 3126097), (191, 1342094), (382, 671047), (533, 480938), (1066, 240469), (1259, 203606), (2483, 103238), (2518, 101803), (4966, 51619), (7831, 32734), (15662, 16367)]