81990016

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{33713}}^1$

素因数の和:33746

約数の個数: 32

約数和(自身を含む): 171941400

約数和(自身を除く): 89951384

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 33713, 67426, 134852, 269704, 539408, 640547, 1078816, 1281094, 2157632, 2562188, 4315264, 5124376, 10248752, 20497504, 40995008, 81990016]

約数ペア:

[(1, 81990016), (2, 40995008), (4, 20497504), (8, 10248752), (16, 5124376), (19, 4315264), (32, 2562188), (38, 2157632), (64, 1281094), (76, 1078816), (128, 640547), (152, 539408), (304, 269704), (608, 134852), (1216, 67426), (2432, 33713)]