639738072

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{443}}^1\times {\mathrm{647}}^1$

素因数の和:1133

約数の個数: 96

約数和(自身を含む): 1795322880

約数和(自身を除く): 1155584808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 443, 558, 647, 744, 886, 1116, 1294, 1329, 1772, 1941, 2232, 2588, 2658, 3544, 3882, 3987, 5176, 5316, 5823, 7764, 7974, 10632, 11646, 13733, 15528, 15948, 20057, 23292, 27466, 31896, 40114, 41199, 46584, 54932, 60171, 80228, 82398, 109864, 120342, 123597, 160456, 164796, 180513, 240684, 247194, 286621, 329592, 361026, 481368, 494388, 573242, 722052, 859863, 988776, 1146484, 1444104, 1719726, 2292968, 2579589, 3439452, 5159178, 6878904, 8885251, 10318356, 17770502, 20636712, 26655753, 35541004, 53311506, 71082008, 79967259, 106623012, 159934518, 213246024, 319869036, 639738072]

約数ペア:

[(1, 639738072), (2, 319869036), (3, 213246024), (4, 159934518), (6, 106623012), (8, 79967259), (9, 71082008), (12, 53311506), (18, 35541004), (24, 26655753), (31, 20636712), (36, 17770502), (62, 10318356), (72, 8885251), (93, 6878904), (124, 5159178), (186, 3439452), (248, 2579589), (279, 2292968), (372, 1719726), (443, 1444104), (558, 1146484), (647, 988776), (744, 859863), (886, 722052), (1116, 573242), (1294, 494388), (1329, 481368), (1772, 361026), (1941, 329592), (2232, 286621), (2588, 247194), (2658, 240684), (3544, 180513), (3882, 164796), (3987, 160456), (5176, 123597), (5316, 120342), (5823, 109864), (7764, 82398), (7974, 80228), (10632, 60171), (11646, 54932), (13733, 46584), (15528, 41199), (15948, 40114), (20057, 31896), (23292, 27466)]