198149728

素因数分解:

$2^5\times 7^4\times {\mathrm{2579}}^1$

素因数の和:2617

約数の個数: 60

約数和(自身を含む): 455274540

約数和(自身を除く): 257124812

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 343, 392, 686, 784, 1372, 1568, 2401, 2579, 2744, 4802, 5158, 5488, 9604, 10316, 10976, 18053, 19208, 20632, 36106, 38416, 41264, 72212, 76832, 82528, 126371, 144424, 252742, 288848, 505484, 577696, 884597, 1010968, 1769194, 2021936, 3538388, 4043872, 6192179, 7076776, 12384358, 14153552, 24768716, 28307104, 49537432, 99074864, 198149728]

約数ペア:

[(1, 198149728), (2, 99074864), (4, 49537432), (7, 28307104), (8, 24768716), (14, 14153552), (16, 12384358), (28, 7076776), (32, 6192179), (49, 4043872), (56, 3538388), (98, 2021936), (112, 1769194), (196, 1010968), (224, 884597), (343, 577696), (392, 505484), (686, 288848), (784, 252742), (1372, 144424), (1568, 126371), (2401, 82528), (2579, 76832), (2744, 72212), (4802, 41264), (5158, 38416), (5488, 36106), (9604, 20632), (10316, 19208), (10976, 18053)]