287807968

素因数分解:

$2^5\times 7^2\times {\mathrm{31}}^2\times {\mathrm{191}}^1$

素因数の和:277

約数の個数: 108

約数和(自身を含む): 684645696

約数和(自身を除く): 396837728

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 98, 112, 124, 191, 196, 217, 224, 248, 382, 392, 434, 496, 764, 784, 868, 961, 992, 1337, 1519, 1528, 1568, 1736, 1922, 2674, 3038, 3056, 3472, 3844, 5348, 5921, 6076, 6112, 6727, 6944, 7688, 9359, 10696, 11842, 12152, 13454, 15376, 18718, 21392, 23684, 24304, 26908, 30752, 37436, 41447, 42784, 47089, 47368, 48608, 53816, 74872, 82894, 94178, 94736, 107632, 149744, 165788, 183551, 188356, 189472, 215264, 290129, 299488, 331576, 367102, 376712, 580258, 663152, 734204, 753424, 1160516, 1284857, 1326304, 1468408, 1506848, 2321032, 2569714, 2936816, 4642064, 5139428, 5873632, 8993999, 9284128, 10278856, 17987998, 20557712, 35975996, 41115424, 71951992, 143903984, 287807968]

約数ペア:

[(1, 287807968), (2, 143903984), (4, 71951992), (7, 41115424), (8, 35975996), (14, 20557712), (16, 17987998), (28, 10278856), (31, 9284128), (32, 8993999), (49, 5873632), (56, 5139428), (62, 4642064), (98, 2936816), (112, 2569714), (124, 2321032), (191, 1506848), (196, 1468408), (217, 1326304), (224, 1284857), (248, 1160516), (382, 753424), (392, 734204), (434, 663152), (496, 580258), (764, 376712), (784, 367102), (868, 331576), (961, 299488), (992, 290129), (1337, 215264), (1519, 189472), (1528, 188356), (1568, 183551), (1736, 165788), (1922, 149744), (2674, 107632), (3038, 94736), (3056, 94178), (3472, 82894), (3844, 74872), (5348, 53816), (5921, 48608), (6076, 47368), (6112, 47089), (6727, 42784), (6944, 41447), (7688, 37436), (9359, 30752), (10696, 26908), (11842, 24304), (12152, 23684), (13454, 21392), (15376, 18718)]