205885004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{1381}}^1$

素因数の和:1506

約数の個数: 48

約数和(自身を含む): 403057536

約数和(自身を除く): 197172532

約数列:

[1, 2, 4, 13, 26, 47, 52, 61, 94, 122, 188, 244, 611, 793, 1222, 1381, 1586, 2444, 2762, 2867, 3172, 5524, 5734, 11468, 17953, 35906, 37271, 64907, 71812, 74542, 84241, 129814, 149084, 168482, 259628, 336964, 843791, 1095133, 1687582, 2190266, 3375164, 3959327, 4380532, 7918654, 15837308, 51471251, 102942502, 205885004]

約数ペア:

[(1, 205885004), (2, 102942502), (4, 51471251), (13, 15837308), (26, 7918654), (47, 4380532), (52, 3959327), (61, 3375164), (94, 2190266), (122, 1687582), (188, 1095133), (244, 843791), (611, 336964), (793, 259628), (1222, 168482), (1381, 149084), (1586, 129814), (2444, 84241), (2762, 74542), (2867, 71812), (3172, 64907), (5524, 37271), (5734, 35906), (11468, 17953)]