71407945

素因数分解:

$5^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{1307}}^1$

素因数の和:1549

約数の個数: 24

約数和(自身を含む): 100203264

約数和(自身を除く): 28795319

約数列:

[1, 5, 7, 35, 49, 223, 245, 1115, 1307, 1561, 6535, 7805, 9149, 10927, 45745, 54635, 64043, 291461, 320215, 1457305, 2040227, 10201135, 14281589, 71407945]

約数ペア:

[(1, 71407945), (5, 14281589), (7, 10201135), (35, 2040227), (49, 1457305), (223, 320215), (245, 291461), (1115, 64043), (1307, 54635), (1561, 45745), (6535, 10927), (7805, 9149)]