207970568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 436907520

約数和(自身を除く): 228936952

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 251, 257, 403, 502, 514, 806, 1004, 1028, 1612, 2008, 2056, 3224, 3263, 3341, 6526, 6682, 7781, 7967, 13052, 13364, 15562, 15934, 26104, 26728, 31124, 31868, 62248, 63736, 64507, 101153, 103571, 129014, 202306, 207142, 258028, 404612, 414284, 516056, 809224, 828568, 838591, 1677182, 1999717, 3354364, 3999434, 6708728, 7998868, 15997736, 25996321, 51992642, 103985284, 207970568]

約数ペア:

[(1, 207970568), (2, 103985284), (4, 51992642), (8, 25996321), (13, 15997736), (26, 7998868), (31, 6708728), (52, 3999434), (62, 3354364), (104, 1999717), (124, 1677182), (248, 838591), (251, 828568), (257, 809224), (403, 516056), (502, 414284), (514, 404612), (806, 258028), (1004, 207142), (1028, 202306), (1612, 129014), (2008, 103571), (2056, 101153), (3224, 64507), (3263, 63736), (3341, 62248), (6526, 31868), (6682, 31124), (7781, 26728), (7967, 26104), (13052, 15934), (13364, 15562)]