991888416

素因数分解:

$2^5\times 3^4\times {\mathrm{257}}^1\times {\mathrm{1489}}^1$

素因数の和:1768

約数の個数: 120

約数和(自身を含む): 2930433660

約数和(自身を除く): 1938545244

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 257, 288, 324, 432, 514, 648, 771, 864, 1028, 1296, 1489, 1542, 2056, 2313, 2592, 2978, 3084, 4112, 4467, 4626, 5956, 6168, 6939, 8224, 8934, 9252, 11912, 12336, 13401, 13878, 17868, 18504, 20817, 23824, 24672, 26802, 27756, 35736, 37008, 40203, 41634, 47648, 53604, 55512, 71472, 74016, 80406, 83268, 107208, 111024, 120609, 142944, 160812, 166536, 214416, 222048, 241218, 321624, 333072, 382673, 428832, 482436, 643248, 666144, 765346, 964872, 1148019, 1286496, 1530692, 1929744, 2296038, 3061384, 3444057, 3859488, 4592076, 6122768, 6888114, 9184152, 10332171, 12245536, 13776228, 18368304, 20664342, 27552456, 30996513, 36736608, 41328684, 55104912, 61993026, 82657368, 110209824, 123986052, 165314736, 247972104, 330629472, 495944208, 991888416]

約数ペア:

[(1, 991888416), (2, 495944208), (3, 330629472), (4, 247972104), (6, 165314736), (8, 123986052), (9, 110209824), (12, 82657368), (16, 61993026), (18, 55104912), (24, 41328684), (27, 36736608), (32, 30996513), (36, 27552456), (48, 20664342), (54, 18368304), (72, 13776228), (81, 12245536), (96, 10332171), (108, 9184152), (144, 6888114), (162, 6122768), (216, 4592076), (257, 3859488), (288, 3444057), (324, 3061384), (432, 2296038), (514, 1929744), (648, 1530692), (771, 1286496), (864, 1148019), (1028, 964872), (1296, 765346), (1489, 666144), (1542, 643248), (2056, 482436), (2313, 428832), (2592, 382673), (2978, 333072), (3084, 321624), (4112, 241218), (4467, 222048), (4626, 214416), (5956, 166536), (6168, 160812), (6939, 142944), (8224, 120609), (8934, 111024), (9252, 107208), (11912, 83268), (12336, 80406), (13401, 74016), (13878, 71472), (17868, 55512), (18504, 53604), (20817, 47648), (23824, 41634), (24672, 40203), (26802, 37008), (27756, 35736)]