78468286

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{409}}^1$

素因数の和:628

約数の個数: 32

約数和(自身を含む): 130596480

約数和(自身を除く): 52128194

約数列:

[1, 2, 13, 26, 47, 94, 157, 314, 409, 611, 818, 1222, 2041, 4082, 5317, 7379, 10634, 14758, 19223, 38446, 64213, 95927, 128426, 191854, 249899, 499798, 834769, 1669538, 3018011, 6036022, 39234143, 78468286]

約数ペア:

[(1, 78468286), (2, 39234143), (13, 6036022), (26, 3018011), (47, 1669538), (94, 834769), (157, 499798), (314, 249899), (409, 191854), (611, 128426), (818, 95927), (1222, 64213), (2041, 38446), (4082, 19223), (5317, 14758), (7379, 10634)]