217785568

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{523}}^1$

素因数の和:577

約数の個数: 144

約数和(自身を含む): 579954816

約数和(自身を除く): 362169248

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 169, 176, 182, 208, 224, 286, 308, 338, 352, 364, 416, 523, 572, 616, 676, 728, 1001, 1046, 1144, 1183, 1232, 1352, 1456, 1859, 2002, 2092, 2288, 2366, 2464, 2704, 2912, 3661, 3718, 4004, 4184, 4576, 4732, 5408, 5753, 6799, 7322, 7436, 8008, 8368, 9464, 11506, 13013, 13598, 14644, 14872, 16016, 16736, 18928, 23012, 26026, 27196, 29288, 29744, 32032, 37856, 40271, 46024, 47593, 52052, 54392, 58576, 59488, 74789, 80542, 88387, 92048, 95186, 104104, 108784, 117152, 149578, 161084, 176774, 184096, 190372, 208208, 217568, 299156, 322168, 353548, 380744, 416416, 523523, 598312, 618709, 644336, 707096, 761488, 972257, 1047046, 1196624, 1237418, 1288672, 1414192, 1522976, 1944514, 2094092, 2393248, 2474836, 2828384, 3889028, 4188184, 4949672, 6805799, 7778056, 8376368, 9899344, 13611598, 15556112, 16752736, 19798688, 27223196, 31112224, 54446392, 108892784, 217785568]

約数ペア:

[(1, 217785568), (2, 108892784), (4, 54446392), (7, 31112224), (8, 27223196), (11, 19798688), (13, 16752736), (14, 15556112), (16, 13611598), (22, 9899344), (26, 8376368), (28, 7778056), (32, 6805799), (44, 4949672), (52, 4188184), (56, 3889028), (77, 2828384), (88, 2474836), (91, 2393248), (104, 2094092), (112, 1944514), (143, 1522976), (154, 1414192), (169, 1288672), (176, 1237418), (182, 1196624), (208, 1047046), (224, 972257), (286, 761488), (308, 707096), (338, 644336), (352, 618709), (364, 598312), (416, 523523), (523, 416416), (572, 380744), (616, 353548), (676, 322168), (728, 299156), (1001, 217568), (1046, 208208), (1144, 190372), (1183, 184096), (1232, 176774), (1352, 161084), (1456, 149578), (1859, 117152), (2002, 108784), (2092, 104104), (2288, 95186), (2366, 92048), (2464, 88387), (2704, 80542), (2912, 74789), (3661, 59488), (3718, 58576), (4004, 54392), (4184, 52052), (4576, 47593), (4732, 46024), (5408, 40271), (5753, 37856), (6799, 32032), (7322, 29744), (7436, 29288), (8008, 27196), (8368, 26026), (9464, 23012), (11506, 18928), (13013, 16736), (13598, 16016), (14644, 14872)]