78718975

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1259}}^1$

素因数の和:1371

約数の個数: 24

約数和(自身を含む): 101712240

約数和(自身を除く): 22993265

約数列:

[1, 5, 25, 41, 61, 205, 305, 1025, 1259, 1525, 2501, 6295, 12505, 31475, 51619, 62525, 76799, 258095, 383995, 1290475, 1919975, 3148759, 15743795, 78718975]

約数ペア:

[(1, 78718975), (5, 15743795), (25, 3148759), (41, 1919975), (61, 1290475), (205, 383995), (305, 258095), (1025, 76799), (1259, 62525), (1525, 51619), (2501, 31475), (6295, 12505)]