161231192008

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{389}}^1\times {\mathrm{5167}}^1$

素因数の和:5870

約数の個数: 64

約数和(自身を含む): 312486220800

約数和(自身を除く): 151255028792

約数列:

[1, 2, 4, 8, 37, 74, 148, 271, 296, 389, 542, 778, 1084, 1556, 2168, 3112, 5167, 10027, 10334, 14393, 20054, 20668, 28786, 40108, 41336, 57572, 80216, 105419, 115144, 191179, 210838, 382358, 421676, 764716, 843352, 1400257, 1529432, 2009963, 2800514, 3900503, 4019926, 5601028, 7801006, 8039852, 11202056, 15602012, 16079704, 31204024, 51809509, 74368631, 103619018, 148737262, 207238036, 297474524, 414476072, 544699973, 594949048, 1089399946, 2178799892, 4357599784, 20153899001, 40307798002, 80615596004, 161231192008]

約数ペア:

[(1, 161231192008), (2, 80615596004), (4, 40307798002), (8, 20153899001), (37, 4357599784), (74, 2178799892), (148, 1089399946), (271, 594949048), (296, 544699973), (389, 414476072), (542, 297474524), (778, 207238036), (1084, 148737262), (1556, 103619018), (2168, 74368631), (3112, 51809509), (5167, 31204024), (10027, 16079704), (10334, 15602012), (14393, 11202056), (20054, 8039852), (20668, 7801006), (28786, 5601028), (40108, 4019926), (41336, 3900503), (57572, 2800514), (80216, 2009963), (105419, 1529432), (115144, 1400257), (191179, 843352), (210838, 764716), (382358, 421676)]