208690638

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1907}}^1$

素因数の和:2009

約数の個数: 64

約数和(自身を含む): 476969472

約数和(自身を除く): 268278834

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 61, 69, 78, 122, 138, 183, 299, 366, 598, 793, 897, 1403, 1586, 1794, 1907, 2379, 2806, 3814, 4209, 4758, 5721, 8418, 11442, 18239, 24791, 36478, 43861, 49582, 54717, 74373, 87722, 109434, 116327, 131583, 148746, 232654, 263166, 348981, 570193, 697962, 1140386, 1512251, 1710579, 2675521, 3024502, 3421158, 4536753, 5351042, 8026563, 9073506, 16053126, 34781773, 69563546, 104345319, 208690638]

約数ペア:

[(1, 208690638), (2, 104345319), (3, 69563546), (6, 34781773), (13, 16053126), (23, 9073506), (26, 8026563), (39, 5351042), (46, 4536753), (61, 3421158), (69, 3024502), (78, 2675521), (122, 1710579), (138, 1512251), (183, 1140386), (299, 697962), (366, 570193), (598, 348981), (793, 263166), (897, 232654), (1403, 148746), (1586, 131583), (1794, 116327), (1907, 109434), (2379, 87722), (2806, 74373), (3814, 54717), (4209, 49582), (4758, 43861), (5721, 36478), (8418, 24791), (11442, 18239)]