78415988

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1481}}^1$

素因数の和:1584

約数の個数: 48

約数和(自身を含む): 164656128

約数和(自身を除く): 86240140

約数列:

[1, 2, 4, 7, 14, 28, 31, 61, 62, 122, 124, 217, 244, 427, 434, 854, 868, 1481, 1708, 1891, 2962, 3782, 5924, 7564, 10367, 13237, 20734, 26474, 41468, 45911, 52948, 90341, 91822, 180682, 183644, 321377, 361364, 632387, 642754, 1264774, 1285508, 2529548, 2800571, 5601142, 11202284, 19603997, 39207994, 78415988]

約数ペア:

[(1, 78415988), (2, 39207994), (4, 19603997), (7, 11202284), (14, 5601142), (28, 2800571), (31, 2529548), (61, 1285508), (62, 1264774), (122, 642754), (124, 632387), (217, 361364), (244, 321377), (427, 183644), (434, 180682), (854, 91822), (868, 90341), (1481, 52948), (1708, 45911), (1891, 41468), (2962, 26474), (3782, 20734), (5924, 13237), (7564, 10367)]