81161248

素因数分解:

$2^5\times 7^2\times {\mathrm{191}}^1\times {\mathrm{271}}^1$

素因数の和:486

約数の個数: 72

約数和(自身を含む): 187536384

約数和(自身を除く): 106375136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 191, 196, 224, 271, 382, 392, 542, 764, 784, 1084, 1337, 1528, 1568, 1897, 2168, 2674, 3056, 3794, 4336, 5348, 6112, 7588, 8672, 9359, 10696, 13279, 15176, 18718, 21392, 26558, 30352, 37436, 42784, 51761, 53116, 60704, 74872, 103522, 106232, 149744, 207044, 212464, 299488, 362327, 414088, 424928, 724654, 828176, 1449308, 1656352, 2536289, 2898616, 5072578, 5797232, 10145156, 11594464, 20290312, 40580624, 81161248]

約数ペア:

[(1, 81161248), (2, 40580624), (4, 20290312), (7, 11594464), (8, 10145156), (14, 5797232), (16, 5072578), (28, 2898616), (32, 2536289), (49, 1656352), (56, 1449308), (98, 828176), (112, 724654), (191, 424928), (196, 414088), (224, 362327), (271, 299488), (382, 212464), (392, 207044), (542, 149744), (764, 106232), (784, 103522), (1084, 74872), (1337, 60704), (1528, 53116), (1568, 51761), (1897, 42784), (2168, 37436), (2674, 30352), (3056, 26558), (3794, 21392), (4336, 18718), (5348, 15176), (6112, 13279), (7588, 10696), (8672, 9359)]