2546996890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1\times {\mathrm{14389}}^1$

素因数の和:14998

約数の個数: 32

約数和(自身を含む): 4741102080

約数和(自身を除く): 2194105190

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 571, 1142, 2855, 5710, 14389, 17701, 28778, 35402, 71945, 88505, 143890, 177010, 446059, 892118, 2230295, 4460590, 8216119, 16432238, 41080595, 82161190, 254699689, 509399378, 1273498445, 2546996890]

約数ペア:

[(1, 2546996890), (2, 1273498445), (5, 509399378), (10, 254699689), (31, 82161190), (62, 41080595), (155, 16432238), (310, 8216119), (571, 4460590), (1142, 2230295), (2855, 892118), (5710, 446059), (14389, 177010), (17701, 143890), (28778, 88505), (35402, 71945)]