65399615

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 87091200

約数和(自身を除く): 21691585

約数列:

[1, 5, 19, 31, 53, 95, 155, 265, 419, 589, 1007, 1643, 2095, 2945, 5035, 7961, 8215, 12989, 22207, 31217, 39805, 64945, 111035, 156085, 246791, 421933, 688417, 1233955, 2109665, 3442085, 13079923, 65399615]

約数ペア:

[(1, 65399615), (5, 13079923), (19, 3442085), (31, 2109665), (53, 1233955), (95, 688417), (155, 421933), (265, 246791), (419, 156085), (589, 111035), (1007, 64945), (1643, 39805), (2095, 31217), (2945, 22207), (5035, 12989), (7961, 8215)]