78128835

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{419}}^1$

素因数の和:859

約数の個数: 32

約数和(自身を含む): 129669120

約数和(自身を除く): 51540285

約数列:

[1, 3, 5, 15, 31, 93, 155, 401, 419, 465, 1203, 1257, 2005, 2095, 6015, 6285, 12431, 12989, 37293, 38967, 62155, 64945, 168019, 186465, 194835, 504057, 840095, 2520285, 5208589, 15625767, 26042945, 78128835]

約数ペア:

[(1, 78128835), (3, 26042945), (5, 15625767), (15, 5208589), (31, 2520285), (93, 840095), (155, 504057), (401, 194835), (419, 186465), (465, 168019), (1203, 64945), (1257, 62155), (2005, 38967), (2095, 37293), (6015, 12989), (6285, 12431)]