259955584

素因数分解:

$2^7\times 7^3\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:257

約数の個数: 128

約数和(自身を含む): 626688000

約数和(自身を除く): 366732416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 64, 98, 112, 124, 128, 191, 196, 217, 224, 248, 343, 382, 392, 434, 448, 496, 686, 764, 784, 868, 896, 992, 1337, 1372, 1519, 1528, 1568, 1736, 1984, 2674, 2744, 3038, 3056, 3136, 3472, 3968, 5348, 5488, 5921, 6076, 6112, 6272, 6944, 9359, 10633, 10696, 10976, 11842, 12152, 12224, 13888, 18718, 21266, 21392, 21952, 23684, 24304, 24448, 27776, 37436, 41447, 42532, 42784, 43904, 47368, 48608, 65513, 74872, 82894, 85064, 85568, 94736, 97216, 131026, 149744, 165788, 170128, 171136, 189472, 194432, 262052, 290129, 299488, 331576, 340256, 378944, 524104, 580258, 598976, 663152, 680512, 757888, 1048208, 1160516, 1197952, 1326304, 1361024, 2030903, 2096416, 2321032, 2652608, 4061806, 4192832, 4642064, 5305216, 8123612, 8385664, 9284128, 16247224, 18568256, 32494448, 37136512, 64988896, 129977792, 259955584]

約数ペア:

[(1, 259955584), (2, 129977792), (4, 64988896), (7, 37136512), (8, 32494448), (14, 18568256), (16, 16247224), (28, 9284128), (31, 8385664), (32, 8123612), (49, 5305216), (56, 4642064), (62, 4192832), (64, 4061806), (98, 2652608), (112, 2321032), (124, 2096416), (128, 2030903), (191, 1361024), (196, 1326304), (217, 1197952), (224, 1160516), (248, 1048208), (343, 757888), (382, 680512), (392, 663152), (434, 598976), (448, 580258), (496, 524104), (686, 378944), (764, 340256), (784, 331576), (868, 299488), (896, 290129), (992, 262052), (1337, 194432), (1372, 189472), (1519, 171136), (1528, 170128), (1568, 165788), (1736, 149744), (1984, 131026), (2674, 97216), (2744, 94736), (3038, 85568), (3056, 85064), (3136, 82894), (3472, 74872), (3968, 65513), (5348, 48608), (5488, 47368), (5921, 43904), (6076, 42784), (6112, 42532), (6272, 41447), (6944, 37436), (9359, 27776), (10633, 24448), (10696, 24304), (10976, 23684), (11842, 21952), (12152, 21392), (12224, 21266), (13888, 18718)]