72784208

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:209

約数の個数: 120

約数和(自身を含む): 179131392

約数和(自身を除く): 106347184

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 43, 49, 56, 68, 86, 98, 112, 119, 127, 136, 172, 196, 238, 254, 272, 301, 344, 392, 476, 508, 602, 688, 731, 784, 833, 889, 952, 1016, 1204, 1462, 1666, 1778, 1904, 2032, 2107, 2159, 2408, 2924, 3332, 3556, 4214, 4318, 4816, 5117, 5461, 5848, 6223, 6664, 7112, 8428, 8636, 10234, 10922, 11696, 12446, 13328, 14224, 15113, 16856, 17272, 20468, 21844, 24892, 30226, 33712, 34544, 35819, 38227, 40936, 43688, 49784, 60452, 71638, 76454, 81872, 87376, 92837, 99568, 105791, 120904, 143276, 152908, 185674, 211582, 241808, 267589, 286552, 305816, 371348, 423164, 535178, 573104, 611632, 649859, 742696, 846328, 1070356, 1299718, 1485392, 1692656, 2140712, 2599436, 4281424, 4549013, 5198872, 9098026, 10397744, 18196052, 36392104, 72784208]

約数ペア:

[(1, 72784208), (2, 36392104), (4, 18196052), (7, 10397744), (8, 9098026), (14, 5198872), (16, 4549013), (17, 4281424), (28, 2599436), (34, 2140712), (43, 1692656), (49, 1485392), (56, 1299718), (68, 1070356), (86, 846328), (98, 742696), (112, 649859), (119, 611632), (127, 573104), (136, 535178), (172, 423164), (196, 371348), (238, 305816), (254, 286552), (272, 267589), (301, 241808), (344, 211582), (392, 185674), (476, 152908), (508, 143276), (602, 120904), (688, 105791), (731, 99568), (784, 92837), (833, 87376), (889, 81872), (952, 76454), (1016, 71638), (1204, 60452), (1462, 49784), (1666, 43688), (1778, 40936), (1904, 38227), (2032, 35819), (2107, 34544), (2159, 33712), (2408, 30226), (2924, 24892), (3332, 21844), (3556, 20468), (4214, 17272), (4318, 16856), (4816, 15113), (5117, 14224), (5461, 13328), (5848, 12446), (6223, 11696), (6664, 10922), (7112, 10234), (8428, 8636)]