78212895

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{751}}^1$

素因数の和:943

約数の個数: 32

約数和(自身を含む): 128646144

約数和(自身を除く): 50433249

約数列:

[1, 3, 5, 15, 53, 131, 159, 265, 393, 655, 751, 795, 1965, 2253, 3755, 6943, 11265, 20829, 34715, 39803, 98381, 104145, 119409, 199015, 295143, 491905, 597045, 1475715, 5214193, 15642579, 26070965, 78212895]

約数ペア:

[(1, 78212895), (3, 26070965), (5, 15642579), (15, 5214193), (53, 1475715), (131, 597045), (159, 491905), (265, 295143), (393, 199015), (655, 119409), (751, 104145), (795, 98381), (1965, 39803), (2253, 34715), (3755, 20829), (6943, 11265)]