820632566

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:601

約数の個数: 48

約数和(自身を含む): 1371533760

約数和(自身を除く): 550901194

約数列:

[1, 2, 13, 26, 73, 79, 146, 158, 169, 338, 421, 842, 949, 1027, 1898, 2054, 5473, 5767, 10946, 11534, 12337, 13351, 24674, 26702, 30733, 33259, 61466, 66518, 71149, 74971, 142298, 149942, 399529, 432367, 799058, 864734, 974623, 1949246, 2427907, 4855814, 5193877, 5620771, 10387754, 11241542, 31562791, 63125582, 410316283, 820632566]

約数ペア:

[(1, 820632566), (2, 410316283), (13, 63125582), (26, 31562791), (73, 11241542), (79, 10387754), (146, 5620771), (158, 5193877), (169, 4855814), (338, 2427907), (421, 1949246), (842, 974623), (949, 864734), (1027, 799058), (1898, 432367), (2054, 399529), (5473, 149942), (5767, 142298), (10946, 74971), (11534, 71149), (12337, 66518), (13351, 61466), (24674, 33259), (26702, 30733)]