77838865

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{251}}^1\times {\mathrm{367}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 101824128

約数和(自身を除く): 23985263

約数列:

[1, 5, 13, 65, 169, 251, 367, 845, 1255, 1835, 3263, 4771, 16315, 23855, 42419, 62023, 92117, 212095, 310115, 460585, 1197521, 5987605, 15567773, 77838865]

約数ペア:

[(1, 77838865), (5, 15567773), (13, 5987605), (65, 1197521), (169, 460585), (251, 310115), (367, 212095), (845, 92117), (1255, 62023), (1835, 42419), (3263, 23855), (4771, 16315)]