213459568

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{349}}^1$

素因数の和:534

約数の個数: 80

約数和(自身を含む): 488857600

約数和(自身を除く): 275398032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 127, 172, 254, 301, 344, 349, 508, 602, 688, 698, 889, 1016, 1204, 1396, 1778, 2032, 2408, 2443, 2792, 3556, 4816, 4886, 5461, 5584, 7112, 9772, 10922, 14224, 15007, 19544, 21844, 30014, 38227, 39088, 43688, 44323, 60028, 76454, 87376, 88646, 105049, 120056, 152908, 177292, 210098, 240112, 305816, 310261, 354584, 420196, 611632, 620522, 709168, 840392, 1241044, 1680784, 1905889, 2482088, 3811778, 4964176, 7623556, 13341223, 15247112, 26682446, 30494224, 53364892, 106729784, 213459568]

約数ペア:

[(1, 213459568), (2, 106729784), (4, 53364892), (7, 30494224), (8, 26682446), (14, 15247112), (16, 13341223), (28, 7623556), (43, 4964176), (56, 3811778), (86, 2482088), (112, 1905889), (127, 1680784), (172, 1241044), (254, 840392), (301, 709168), (344, 620522), (349, 611632), (508, 420196), (602, 354584), (688, 310261), (698, 305816), (889, 240112), (1016, 210098), (1204, 177292), (1396, 152908), (1778, 120056), (2032, 105049), (2408, 88646), (2443, 87376), (2792, 76454), (3556, 60028), (4816, 44323), (4886, 43688), (5461, 39088), (5584, 38227), (7112, 30014), (9772, 21844), (10922, 19544), (14224, 15007)]