78669328

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{173}}^1\times {\mathrm{293}}^1$

素因数の和:571

約数の個数: 40

約数和(自身を含む): 155411928

約数和(自身を除く): 76742600

約数列:

[1, 2, 4, 8, 16, 97, 173, 194, 293, 346, 388, 586, 692, 776, 1172, 1384, 1552, 2344, 2768, 4688, 16781, 28421, 33562, 50689, 56842, 67124, 101378, 113684, 134248, 202756, 227368, 268496, 405512, 454736, 811024, 4916833, 9833666, 19667332, 39334664, 78669328]

約数ペア:

[(1, 78669328), (2, 39334664), (4, 19667332), (8, 9833666), (16, 4916833), (97, 811024), (173, 454736), (194, 405512), (293, 268496), (346, 227368), (388, 202756), (586, 134248), (692, 113684), (776, 101378), (1172, 67124), (1384, 56842), (1552, 50689), (2344, 33562), (2768, 28421), (4688, 16781)]