856322038

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{389}}^1$

素因数の和:637

約数の個数: 64

約数和(自身を含む): 1556755200

約数和(自身を除く): 700433162

約数列:

[1, 2, 11, 13, 22, 26, 43, 86, 143, 179, 286, 358, 389, 473, 559, 778, 946, 1118, 1969, 2327, 3938, 4279, 4654, 5057, 6149, 7697, 8558, 10114, 12298, 15394, 16727, 25597, 33454, 51194, 55627, 69631, 84667, 100061, 111254, 139262, 169334, 183997, 200122, 217451, 367994, 434902, 765941, 905203, 1100671, 1531882, 1810406, 2201342, 2391961, 2994133, 4783922, 5988266, 9957233, 19914466, 32935463, 38923729, 65870926, 77847458, 428161019, 856322038]

約数ペア:

[(1, 856322038), (2, 428161019), (11, 77847458), (13, 65870926), (22, 38923729), (26, 32935463), (43, 19914466), (86, 9957233), (143, 5988266), (179, 4783922), (286, 2994133), (358, 2391961), (389, 2201342), (473, 1810406), (559, 1531882), (778, 1100671), (946, 905203), (1118, 765941), (1969, 434902), (2327, 367994), (3938, 217451), (4279, 200122), (4654, 183997), (5057, 169334), (6149, 139262), (7697, 111254), (8558, 100061), (10114, 84667), (12298, 69631), (15394, 55627), (16727, 51194), (25597, 33454)]