216996858

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{1753}}^1$

素因数の和:1820

約数の個数: 72

約数和(自身を含む): 529599252

約数和(自身を除く): 312602394

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, 1753, 1794, 2691, 3174, 3506, 4761, 5259, 5382, 6877, 9522, 10518, 13754, 15777, 20631, 22789, 31554, 40319, 41262, 45578, 61893, 68367, 80638, 120957, 123786, 136734, 205101, 241914, 362871, 410202, 524147, 725742, 927337, 1048294, 1572441, 1854674, 2782011, 3144882, 4717323, 5564022, 8346033, 9434646, 12055381, 16692066, 24110762, 36166143, 72332286, 108498429, 216996858]

約数ペア:

[(1, 216996858), (2, 108498429), (3, 72332286), (6, 36166143), (9, 24110762), (13, 16692066), (18, 12055381), (23, 9434646), (26, 8346033), (39, 5564022), (46, 4717323), (69, 3144882), (78, 2782011), (117, 1854674), (138, 1572441), (207, 1048294), (234, 927337), (299, 725742), (414, 524147), (529, 410202), (598, 362871), (897, 241914), (1058, 205101), (1587, 136734), (1753, 123786), (1794, 120957), (2691, 80638), (3174, 68367), (3506, 61893), (4761, 45578), (5259, 41262), (5382, 40319), (6877, 31554), (9522, 22789), (10518, 20631), (13754, 15777)]