156831976

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1481}}^1$

素因数の和:1586

約数の個数: 64

約数和(自身を含む): 352834560

約数和(自身を除く): 196002584

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 61, 62, 122, 124, 217, 244, 248, 427, 434, 488, 854, 868, 1481, 1708, 1736, 1891, 2962, 3416, 3782, 5924, 7564, 10367, 11848, 13237, 15128, 20734, 26474, 41468, 45911, 52948, 82936, 90341, 91822, 105896, 180682, 183644, 321377, 361364, 367288, 632387, 642754, 722728, 1264774, 1285508, 2529548, 2571016, 2800571, 5059096, 5601142, 11202284, 19603997, 22404568, 39207994, 78415988, 156831976]

約数ペア:

[(1, 156831976), (2, 78415988), (4, 39207994), (7, 22404568), (8, 19603997), (14, 11202284), (28, 5601142), (31, 5059096), (56, 2800571), (61, 2571016), (62, 2529548), (122, 1285508), (124, 1264774), (217, 722728), (244, 642754), (248, 632387), (427, 367288), (434, 361364), (488, 321377), (854, 183644), (868, 180682), (1481, 105896), (1708, 91822), (1736, 90341), (1891, 82936), (2962, 52948), (3416, 45911), (3782, 41468), (5924, 26474), (7564, 20734), (10367, 15128), (11848, 13237)]