78986992

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:326

約数の個数: 80

約数和(自身を含む): 181988352

約数和(自身を除く): 103001360

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 103, 112, 164, 167, 206, 287, 328, 334, 412, 574, 656, 668, 721, 824, 1148, 1169, 1336, 1442, 1648, 2296, 2338, 2672, 2884, 4223, 4592, 4676, 5768, 6847, 8446, 9352, 11536, 13694, 16892, 17201, 18704, 27388, 29561, 33784, 34402, 47929, 54776, 59122, 67568, 68804, 95858, 109552, 118244, 120407, 137608, 191716, 236488, 240814, 275216, 383432, 472976, 481628, 705241, 766864, 963256, 1410482, 1926512, 2820964, 4936687, 5641928, 9873374, 11283856, 19746748, 39493496, 78986992]

約数ペア:

[(1, 78986992), (2, 39493496), (4, 19746748), (7, 11283856), (8, 9873374), (14, 5641928), (16, 4936687), (28, 2820964), (41, 1926512), (56, 1410482), (82, 963256), (103, 766864), (112, 705241), (164, 481628), (167, 472976), (206, 383432), (287, 275216), (328, 240814), (334, 236488), (412, 191716), (574, 137608), (656, 120407), (668, 118244), (721, 109552), (824, 95858), (1148, 68804), (1169, 67568), (1336, 59122), (1442, 54776), (1648, 47929), (2296, 34402), (2338, 33784), (2672, 29561), (2884, 27388), (4223, 18704), (4592, 17201), (4676, 16892), (5768, 13694), (6847, 11536), (8446, 9352)]