209881724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{521}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 405974016

約数和(自身を除く): 196092292

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 127, 244, 254, 508, 521, 793, 1042, 1586, 1651, 2084, 3172, 3302, 6604, 6773, 7747, 13546, 15494, 27092, 30988, 31781, 63562, 66167, 100711, 127124, 132334, 201422, 264668, 402844, 413153, 826306, 860171, 1652612, 1720342, 3440684, 4036187, 8072374, 16144748, 52470431, 104940862, 209881724]

約数ペア:

[(1, 209881724), (2, 104940862), (4, 52470431), (13, 16144748), (26, 8072374), (52, 4036187), (61, 3440684), (122, 1720342), (127, 1652612), (244, 860171), (254, 826306), (508, 413153), (521, 402844), (793, 264668), (1042, 201422), (1586, 132334), (1651, 127124), (2084, 100711), (3172, 66167), (3302, 63562), (6604, 31781), (6773, 30988), (7747, 27092), (13546, 15494)]