71823215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 94478400

約数和(自身を除く): 22655185

約数列:

[1, 5, 17, 53, 85, 107, 149, 265, 535, 745, 901, 1819, 2533, 4505, 5671, 7897, 9095, 12665, 15943, 28355, 39485, 79715, 96407, 134249, 271031, 482035, 671245, 844979, 1355155, 4224895, 14364643, 71823215]

約数ペア:

[(1, 71823215), (5, 14364643), (17, 4224895), (53, 1355155), (85, 844979), (107, 671245), (149, 482035), (265, 271031), (535, 134249), (745, 96407), (901, 79715), (1819, 39485), (2533, 28355), (4505, 15943), (5671, 12665), (7897, 9095)]