217791756

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3499}}^1$

素因数の和:3548

約数の個数: 144

約数和(自身を含む): 713440000

約数和(自身を除く): 495648244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 19, 21, 26, 28, 36, 38, 39, 42, 52, 57, 63, 76, 78, 84, 91, 114, 117, 126, 133, 156, 171, 182, 228, 234, 247, 252, 266, 273, 342, 364, 399, 468, 494, 532, 546, 684, 741, 798, 819, 988, 1092, 1197, 1482, 1596, 1638, 1729, 2223, 2394, 2964, 3276, 3458, 3499, 4446, 4788, 5187, 6916, 6998, 8892, 10374, 10497, 13996, 15561, 20748, 20994, 24493, 31122, 31491, 41988, 45487, 48986, 62244, 62982, 66481, 73479, 90974, 97972, 125964, 132962, 136461, 146958, 181948, 199443, 220437, 265924, 272922, 293916, 318409, 398886, 409383, 440874, 465367, 545844, 598329, 636818, 797772, 818766, 864253, 881748, 930734, 955227, 1196658, 1273636, 1396101, 1637532, 1728506, 1861468, 1910454, 2393316, 2592759, 2792202, 2865681, 3457012, 3820908, 4188303, 5185518, 5584404, 5731362, 6049771, 7778277, 8376606, 10371036, 11462724, 12099542, 15556554, 16753212, 18149313, 24199084, 31113108, 36298626, 54447939, 72597252, 108895878, 217791756]

約数ペア:

[(1, 217791756), (2, 108895878), (3, 72597252), (4, 54447939), (6, 36298626), (7, 31113108), (9, 24199084), (12, 18149313), (13, 16753212), (14, 15556554), (18, 12099542), (19, 11462724), (21, 10371036), (26, 8376606), (28, 7778277), (36, 6049771), (38, 5731362), (39, 5584404), (42, 5185518), (52, 4188303), (57, 3820908), (63, 3457012), (76, 2865681), (78, 2792202), (84, 2592759), (91, 2393316), (114, 1910454), (117, 1861468), (126, 1728506), (133, 1637532), (156, 1396101), (171, 1273636), (182, 1196658), (228, 955227), (234, 930734), (247, 881748), (252, 864253), (266, 818766), (273, 797772), (342, 636818), (364, 598329), (399, 545844), (468, 465367), (494, 440874), (532, 409383), (546, 398886), (684, 318409), (741, 293916), (798, 272922), (819, 265924), (988, 220437), (1092, 199443), (1197, 181948), (1482, 146958), (1596, 136461), (1638, 132962), (1729, 125964), (2223, 97972), (2394, 90974), (2964, 73479), (3276, 66481), (3458, 62982), (3499, 62244), (4446, 48986), (4788, 45487), (5187, 41988), (6916, 31491), (6998, 31122), (8892, 24493), (10374, 20994), (10497, 20748), (13996, 15561)]