217312788

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{937}}^1$

素因数の和:1213

約数の個数: 96

約数和(自身を含む): 635378688

約数和(自身を除く): 418065900

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 251, 308, 462, 502, 753, 924, 937, 1004, 1506, 1757, 1874, 2761, 2811, 3012, 3514, 3748, 5271, 5522, 5622, 6559, 7028, 8283, 10307, 10542, 11044, 11244, 13118, 16566, 19327, 19677, 20614, 21084, 26236, 30921, 33132, 38654, 39354, 41228, 57981, 61842, 72149, 77308, 78708, 115962, 123684, 144298, 216447, 231924, 235187, 288596, 432894, 470374, 705561, 865788, 940748, 1411122, 1646309, 2587057, 2822244, 3292618, 4938927, 5174114, 6585236, 7761171, 9877854, 10348228, 15522342, 18109399, 19755708, 31044684, 36218798, 54328197, 72437596, 108656394, 217312788]

約数ペア:

[(1, 217312788), (2, 108656394), (3, 72437596), (4, 54328197), (6, 36218798), (7, 31044684), (11, 19755708), (12, 18109399), (14, 15522342), (21, 10348228), (22, 9877854), (28, 7761171), (33, 6585236), (42, 5174114), (44, 4938927), (66, 3292618), (77, 2822244), (84, 2587057), (132, 1646309), (154, 1411122), (231, 940748), (251, 865788), (308, 705561), (462, 470374), (502, 432894), (753, 288596), (924, 235187), (937, 231924), (1004, 216447), (1506, 144298), (1757, 123684), (1874, 115962), (2761, 78708), (2811, 77308), (3012, 72149), (3514, 61842), (3748, 57981), (5271, 41228), (5522, 39354), (5622, 38654), (6559, 33132), (7028, 30921), (8283, 26236), (10307, 21084), (10542, 20614), (11044, 19677), (11244, 19327), (13118, 16566)]