81608930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{4943}}^1$

素因数の和:5090

約数の個数: 32

約数和(自身を含む): 159473664

約数和(自身を除く): 77864734

約数列:

[1, 2, 5, 10, 13, 26, 65, 127, 130, 254, 635, 1270, 1651, 3302, 4943, 8255, 9886, 16510, 24715, 49430, 64259, 128518, 321295, 627761, 642590, 1255522, 3138805, 6277610, 8160893, 16321786, 40804465, 81608930]

約数ペア:

[(1, 81608930), (2, 40804465), (5, 16321786), (10, 8160893), (13, 6277610), (26, 3138805), (65, 1255522), (127, 642590), (130, 627761), (254, 321295), (635, 128518), (1270, 64259), (1651, 49430), (3302, 24715), (4943, 16510), (8255, 9886)]