78961712

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{401}}^1$

素因数の和:837

約数の個数: 40

約数和(自身を含む): 158716032

約数和(自身を除く): 79754320

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 397, 401, 496, 794, 802, 1588, 1604, 3176, 3208, 6352, 6416, 12307, 12431, 24614, 24862, 49228, 49724, 98456, 99448, 159197, 196912, 198896, 318394, 636788, 1273576, 2547152, 4935107, 9870214, 19740428, 39480856, 78961712]

約数ペア:

[(1, 78961712), (2, 39480856), (4, 19740428), (8, 9870214), (16, 4935107), (31, 2547152), (62, 1273576), (124, 636788), (248, 318394), (397, 198896), (401, 196912), (496, 159197), (794, 99448), (802, 98456), (1588, 49724), (1604, 49228), (3176, 24862), (3208, 24614), (6352, 12431), (6416, 12307)]