81619136

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{67121}}^1$

素因数の和:67152

約数の個数: 28

約数和(自身を含む): 170489880

約数和(自身を除く): 88870744

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 67121, 134242, 268484, 536968, 1073936, 1275299, 2147872, 2550598, 4295744, 5101196, 10202392, 20404784, 40809568, 81619136]

約数ペア:

[(1, 81619136), (2, 40809568), (4, 20404784), (8, 10202392), (16, 5101196), (19, 4295744), (32, 2550598), (38, 2147872), (64, 1275299), (76, 1073936), (152, 536968), (304, 268484), (608, 134242), (1216, 67121)]