261312246

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{2111}}^1$

素因数の和:2178

約数の個数: 72

約数和(自身を含む): 637693056

約数和(自身を除く): 376380810

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 39, 46, 69, 78, 117, 138, 207, 234, 299, 414, 529, 598, 897, 1058, 1587, 1794, 2111, 2691, 3174, 4222, 4761, 5382, 6333, 6877, 9522, 12666, 13754, 18999, 20631, 27443, 37998, 41262, 48553, 54886, 61893, 82329, 97106, 123786, 145659, 164658, 246987, 291318, 436977, 493974, 631189, 873954, 1116719, 1262378, 1893567, 2233438, 3350157, 3787134, 5680701, 6700314, 10050471, 11361402, 14517347, 20100942, 29034694, 43552041, 87104082, 130656123, 261312246]

約数ペア:

[(1, 261312246), (2, 130656123), (3, 87104082), (6, 43552041), (9, 29034694), (13, 20100942), (18, 14517347), (23, 11361402), (26, 10050471), (39, 6700314), (46, 5680701), (69, 3787134), (78, 3350157), (117, 2233438), (138, 1893567), (207, 1262378), (234, 1116719), (299, 873954), (414, 631189), (529, 493974), (598, 436977), (897, 291318), (1058, 246987), (1587, 164658), (1794, 145659), (2111, 123786), (2691, 97106), (3174, 82329), (4222, 61893), (4761, 54886), (5382, 48553), (6333, 41262), (6877, 37998), (9522, 27443), (12666, 20631), (13754, 18999)]