78640552

素因数分解:

$2^3\times {\mathrm{31}}^2\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 156040020

約数和(自身を除く): 77399468

約数列:

[1, 2, 4, 8, 31, 53, 62, 106, 124, 193, 212, 248, 386, 424, 772, 961, 1544, 1643, 1922, 3286, 3844, 5983, 6572, 7688, 10229, 11966, 13144, 20458, 23932, 40916, 47864, 50933, 81832, 101866, 185473, 203732, 317099, 370946, 407464, 634198, 741892, 1268396, 1483784, 2536792, 9830069, 19660138, 39320276, 78640552]

約数ペア:

[(1, 78640552), (2, 39320276), (4, 19660138), (8, 9830069), (31, 2536792), (53, 1483784), (62, 1268396), (106, 741892), (124, 634198), (193, 407464), (212, 370946), (248, 317099), (386, 203732), (424, 185473), (772, 101866), (961, 81832), (1544, 50933), (1643, 47864), (1922, 40916), (3286, 23932), (3844, 20458), (5983, 13144), (6572, 11966), (7688, 10229)]