991750788

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{157}}^1\times {\mathrm{3581}}^1$

素因数の和:3762

約数の個数: 108

約数和(自身を含む): 2935613772

約数和(自身を除く): 1943862984

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 157, 196, 252, 294, 314, 441, 471, 588, 628, 882, 942, 1099, 1413, 1764, 1884, 2198, 2826, 3297, 3581, 4396, 5652, 6594, 7162, 7693, 9891, 10743, 13188, 14324, 15386, 19782, 21486, 23079, 25067, 30772, 32229, 39564, 42972, 46158, 50134, 64458, 69237, 75201, 92316, 100268, 128916, 138474, 150402, 175469, 225603, 276948, 300804, 350938, 451206, 526407, 562217, 701876, 902412, 1052814, 1124434, 1579221, 1686651, 2105628, 2248868, 3158442, 3373302, 3935519, 5059953, 6316884, 6746604, 7871038, 10119906, 11806557, 15742076, 20239812, 23613114, 27548633, 35419671, 47226228, 55097266, 70839342, 82645899, 110194532, 141678684, 165291798, 247937697, 330583596, 495875394, 991750788]

約数ペア:

[(1, 991750788), (2, 495875394), (3, 330583596), (4, 247937697), (6, 165291798), (7, 141678684), (9, 110194532), (12, 82645899), (14, 70839342), (18, 55097266), (21, 47226228), (28, 35419671), (36, 27548633), (42, 23613114), (49, 20239812), (63, 15742076), (84, 11806557), (98, 10119906), (126, 7871038), (147, 6746604), (157, 6316884), (196, 5059953), (252, 3935519), (294, 3373302), (314, 3158442), (441, 2248868), (471, 2105628), (588, 1686651), (628, 1579221), (882, 1124434), (942, 1052814), (1099, 902412), (1413, 701876), (1764, 562217), (1884, 526407), (2198, 451206), (2826, 350938), (3297, 300804), (3581, 276948), (4396, 225603), (5652, 175469), (6594, 150402), (7162, 138474), (7693, 128916), (9891, 100268), (10743, 92316), (13188, 75201), (14324, 69237), (15386, 64458), (19782, 50134), (21486, 46158), (23079, 42972), (25067, 39564), (30772, 32229)]