77894816

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{149}}^1$

素因数の和:238

約数の個数: 72

約数和(自身を含む): 168909300

約数和(自身を除く): 91014484

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 68, 124, 136, 149, 248, 272, 298, 496, 527, 544, 596, 961, 992, 1054, 1192, 1922, 2108, 2384, 2533, 3844, 4216, 4619, 4768, 5066, 7688, 8432, 9238, 10132, 15376, 16337, 16864, 18476, 20264, 30752, 32674, 36952, 40528, 65348, 73904, 78523, 81056, 130696, 143189, 147808, 157046, 261392, 286378, 314092, 522784, 572756, 628184, 1145512, 1256368, 2291024, 2434213, 2512736, 4582048, 4868426, 9736852, 19473704, 38947408, 77894816]

約数ペア:

[(1, 77894816), (2, 38947408), (4, 19473704), (8, 9736852), (16, 4868426), (17, 4582048), (31, 2512736), (32, 2434213), (34, 2291024), (62, 1256368), (68, 1145512), (124, 628184), (136, 572756), (149, 522784), (248, 314092), (272, 286378), (298, 261392), (496, 157046), (527, 147808), (544, 143189), (596, 130696), (961, 81056), (992, 78523), (1054, 73904), (1192, 65348), (1922, 40528), (2108, 36952), (2384, 32674), (2533, 30752), (3844, 20264), (4216, 18476), (4619, 16864), (4768, 16337), (5066, 15376), (7688, 10132), (8432, 9238)]