81193616

素因数分解:

$2^4\times 7^1\times {\mathrm{821}}^1\times {\mathrm{883}}^1$

素因数の和:1719

約数の個数: 40

約数和(自身を含む): 180208704

約数和(自身を除く): 99015088

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 821, 883, 1642, 1766, 3284, 3532, 5747, 6181, 6568, 7064, 11494, 12362, 13136, 14128, 22988, 24724, 45976, 49448, 91952, 98896, 724943, 1449886, 2899772, 5074601, 5799544, 10149202, 11599088, 20298404, 40596808, 81193616]

約数ペア:

[(1, 81193616), (2, 40596808), (4, 20298404), (7, 11599088), (8, 10149202), (14, 5799544), (16, 5074601), (28, 2899772), (56, 1449886), (112, 724943), (821, 98896), (883, 91952), (1642, 49448), (1766, 45976), (3284, 24724), (3532, 22988), (5747, 14128), (6181, 13136), (6568, 12362), (7064, 11494)]