65980621

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^2\times {\mathrm{251}}^1$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 81902016

約数和(自身を除く): 15921395

約数列:

[1, 7, 17, 47, 119, 251, 329, 799, 1757, 2209, 4267, 5593, 11797, 15463, 29869, 37553, 82579, 200549, 262871, 554459, 1403843, 3881213, 9425803, 65980621]

約数ペア:

[(1, 65980621), (7, 9425803), (17, 3881213), (47, 1403843), (119, 554459), (251, 262871), (329, 200549), (799, 82579), (1757, 37553), (2209, 29869), (4267, 15463), (5593, 11797)]