78178886

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{389}}^1$

素因数の和:688

約数の個数: 32

約数和(自身を含む): 130403520

約数和(自身を除く): 52224634

約数列:

[1, 2, 17, 23, 34, 46, 257, 389, 391, 514, 778, 782, 4369, 5911, 6613, 8738, 8947, 11822, 13226, 17894, 99973, 100487, 152099, 199946, 200974, 304198, 1699541, 2299379, 3399082, 4598758, 39089443, 78178886]

約数ペア:

[(1, 78178886), (2, 39089443), (17, 4598758), (23, 3399082), (34, 2299379), (46, 1699541), (257, 304198), (389, 200974), (391, 199946), (514, 152099), (778, 100487), (782, 99973), (4369, 17894), (5911, 13226), (6613, 11822), (8738, 8947)]