40468978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{463}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 69154560

約数和(自身を除く): 28685582

約数列:

[1, 2, 11, 22, 29, 58, 137, 274, 319, 463, 638, 926, 1507, 3014, 3973, 5093, 7946, 10186, 13427, 26854, 43703, 63431, 87406, 126862, 147697, 295394, 697741, 1395482, 1839499, 3678998, 20234489, 40468978]

約数ペア:

[(1, 40468978), (2, 20234489), (11, 3678998), (22, 1839499), (29, 1395482), (58, 697741), (137, 295394), (274, 147697), (319, 126862), (463, 87406), (638, 63431), (926, 43703), (1507, 26854), (3014, 13427), (3973, 10186), (5093, 7946)]