78637748

素因数分解:

$2^2\times 7^2\times {\mathrm{421}}^1\times {\mathrm{953}}^1$

素因数の和:1392

約数の個数: 36

約数和(自身を含む): 160632612

約数和(自身を除く): 81994864

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 421, 842, 953, 1684, 1906, 2947, 3812, 5894, 6671, 11788, 13342, 20629, 26684, 41258, 46697, 82516, 93394, 186788, 401213, 802426, 1604852, 2808491, 5616982, 11233964, 19659437, 39318874, 78637748]

約数ペア:

[(1, 78637748), (2, 39318874), (4, 19659437), (7, 11233964), (14, 5616982), (28, 2808491), (49, 1604852), (98, 802426), (196, 401213), (421, 186788), (842, 93394), (953, 82516), (1684, 46697), (1906, 41258), (2947, 26684), (3812, 20629), (5894, 13342), (6671, 11788)]