209411316

素因数分解:

$2^2\times 3^2\times {\mathrm{127}}^1\times {\mathrm{163}}^1\times {\mathrm{281}}^1$

素因数の和:581

約数の個数: 72

約数和(自身を含む): 538696704

約数和(自身を除く): 329285388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 127, 163, 254, 281, 326, 381, 489, 508, 562, 652, 762, 843, 978, 1124, 1143, 1467, 1524, 1686, 1956, 2286, 2529, 2934, 3372, 4572, 5058, 5868, 10116, 20701, 35687, 41402, 45803, 62103, 71374, 82804, 91606, 107061, 124206, 137409, 142748, 183212, 186309, 214122, 248412, 274818, 321183, 372618, 412227, 428244, 549636, 642366, 745236, 824454, 1284732, 1648908, 5816981, 11633962, 17450943, 23267924, 34901886, 52352829, 69803772, 104705658, 209411316]

約数ペア:

[(1, 209411316), (2, 104705658), (3, 69803772), (4, 52352829), (6, 34901886), (9, 23267924), (12, 17450943), (18, 11633962), (36, 5816981), (127, 1648908), (163, 1284732), (254, 824454), (281, 745236), (326, 642366), (381, 549636), (489, 428244), (508, 412227), (562, 372618), (652, 321183), (762, 274818), (843, 248412), (978, 214122), (1124, 186309), (1143, 183212), (1467, 142748), (1524, 137409), (1686, 124206), (1956, 107061), (2286, 91606), (2529, 82804), (2934, 71374), (3372, 62103), (4572, 45803), (5058, 41402), (5868, 35687), (10116, 20701)]