71399705

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{293}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 97203456

約数和(自身を除く): 25803751

約数列:

[1, 5, 13, 23, 65, 115, 163, 293, 299, 815, 1465, 1495, 2119, 3749, 3809, 6739, 10595, 18745, 19045, 33695, 47759, 48737, 87607, 238795, 243685, 438035, 620867, 1098457, 3104335, 5492285, 14279941, 71399705]

約数ペア:

[(1, 71399705), (5, 14279941), (13, 5492285), (23, 3104335), (65, 1098457), (115, 620867), (163, 438035), (293, 243685), (299, 238795), (815, 87607), (1465, 48737), (1495, 47759), (2119, 33695), (3749, 19045), (3809, 18745), (6739, 10595)]