281051456

素因数分解:

$2^6\times 7^4\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:130

約数の個数: 140

約数和(自身を含む): 682995840

約数和(自身を除く): 401944384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 59, 62, 64, 98, 112, 118, 124, 196, 217, 224, 236, 248, 343, 392, 413, 434, 448, 472, 496, 686, 784, 826, 868, 944, 992, 1372, 1519, 1568, 1652, 1736, 1829, 1888, 1984, 2401, 2744, 2891, 3038, 3136, 3304, 3472, 3658, 3776, 4802, 5488, 5782, 6076, 6608, 6944, 7316, 9604, 10633, 10976, 11564, 12152, 12803, 13216, 13888, 14632, 19208, 20237, 21266, 21952, 23128, 24304, 25606, 26432, 29264, 38416, 40474, 42532, 46256, 48608, 51212, 58528, 74431, 76832, 80948, 85064, 89621, 92512, 97216, 102424, 117056, 141659, 148862, 153664, 161896, 170128, 179242, 185024, 204848, 283318, 297724, 323792, 340256, 358484, 409696, 566636, 595448, 627347, 647584, 680512, 716968, 819392, 1133272, 1190896, 1254694, 1295168, 1433936, 2266544, 2381792, 2509388, 2867872, 4391429, 4533088, 4763584, 5018776, 5735744, 8782858, 9066176, 10037552, 17565716, 20075104, 35131432, 40150208, 70262864, 140525728, 281051456]

約数ペア:

[(1, 281051456), (2, 140525728), (4, 70262864), (7, 40150208), (8, 35131432), (14, 20075104), (16, 17565716), (28, 10037552), (31, 9066176), (32, 8782858), (49, 5735744), (56, 5018776), (59, 4763584), (62, 4533088), (64, 4391429), (98, 2867872), (112, 2509388), (118, 2381792), (124, 2266544), (196, 1433936), (217, 1295168), (224, 1254694), (236, 1190896), (248, 1133272), (343, 819392), (392, 716968), (413, 680512), (434, 647584), (448, 627347), (472, 595448), (496, 566636), (686, 409696), (784, 358484), (826, 340256), (868, 323792), (944, 297724), (992, 283318), (1372, 204848), (1519, 185024), (1568, 179242), (1652, 170128), (1736, 161896), (1829, 153664), (1888, 148862), (1984, 141659), (2401, 117056), (2744, 102424), (2891, 97216), (3038, 92512), (3136, 89621), (3304, 85064), (3472, 80948), (3658, 76832), (3776, 74431), (4802, 58528), (5488, 51212), (5782, 48608), (6076, 46256), (6608, 42532), (6944, 40474), (7316, 38416), (9604, 29264), (10633, 26432), (10976, 25606), (11564, 24304), (12152, 23128), (12803, 21952), (13216, 21266), (13888, 20237), (14632, 19208)]