638687052

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{709}}^1$

素因数の和:1180

約数の個数: 96

約数和(自身を含む): 1749440000

約数和(自身を除く): 1110752948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 439, 513, 684, 709, 878, 1026, 1317, 1418, 1756, 2052, 2127, 2634, 2836, 3951, 4254, 5268, 6381, 7902, 8341, 8508, 11853, 12762, 13471, 15804, 16682, 19143, 23706, 25023, 25524, 26942, 33364, 38286, 40413, 47412, 50046, 53884, 75069, 76572, 80826, 100092, 121239, 150138, 161652, 225207, 242478, 300276, 311251, 363717, 450414, 484956, 622502, 727434, 900828, 933753, 1245004, 1454868, 1867506, 2801259, 3735012, 5602518, 5913769, 8403777, 11205036, 11827538, 16807554, 17741307, 23655076, 33615108, 35482614, 53223921, 70965228, 106447842, 159671763, 212895684, 319343526, 638687052]

約数ペア:

[(1, 638687052), (2, 319343526), (3, 212895684), (4, 159671763), (6, 106447842), (9, 70965228), (12, 53223921), (18, 35482614), (19, 33615108), (27, 23655076), (36, 17741307), (38, 16807554), (54, 11827538), (57, 11205036), (76, 8403777), (108, 5913769), (114, 5602518), (171, 3735012), (228, 2801259), (342, 1867506), (439, 1454868), (513, 1245004), (684, 933753), (709, 900828), (878, 727434), (1026, 622502), (1317, 484956), (1418, 450414), (1756, 363717), (2052, 311251), (2127, 300276), (2634, 242478), (2836, 225207), (3951, 161652), (4254, 150138), (5268, 121239), (6381, 100092), (7902, 80826), (8341, 76572), (8508, 75069), (11853, 53884), (12762, 50046), (13471, 47412), (15804, 40413), (16682, 38286), (19143, 33364), (23706, 26942), (25023, 25524)]