81367832

素因数分解:

$2^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{2281}}^1$

素因数の和:2321

約数の個数: 64

約数和(自身を含む): 191688000

約数和(自身を除く): 110320168

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 343, 364, 392, 637, 686, 728, 1274, 1372, 2281, 2548, 2744, 4459, 4562, 5096, 8918, 9124, 15967, 17836, 18248, 29653, 31934, 35672, 59306, 63868, 111769, 118612, 127736, 207571, 223538, 237224, 415142, 447076, 782383, 830284, 894152, 1452997, 1564766, 1660568, 2905994, 3129532, 5811988, 6259064, 10170979, 11623976, 20341958, 40683916, 81367832]

約数ペア:

[(1, 81367832), (2, 40683916), (4, 20341958), (7, 11623976), (8, 10170979), (13, 6259064), (14, 5811988), (26, 3129532), (28, 2905994), (49, 1660568), (52, 1564766), (56, 1452997), (91, 894152), (98, 830284), (104, 782383), (182, 447076), (196, 415142), (343, 237224), (364, 223538), (392, 207571), (637, 127736), (686, 118612), (728, 111769), (1274, 63868), (1372, 59306), (2281, 35672), (2548, 31934), (2744, 29653), (4459, 18248), (4562, 17836), (5096, 15967), (8918, 9124)]