72678145

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 95458176

約数和(自身を除く): 22780031

約数列:

[1, 5, 17, 61, 85, 107, 131, 305, 535, 655, 1037, 1819, 2227, 5185, 6527, 7991, 9095, 11135, 14017, 32635, 39955, 70085, 110959, 135847, 238289, 554795, 679235, 855037, 1191445, 4275185, 14535629, 72678145]

約数ペア:

[(1, 72678145), (5, 14535629), (17, 4275185), (61, 1191445), (85, 855037), (107, 679235), (131, 554795), (305, 238289), (535, 135847), (655, 110959), (1037, 70085), (1819, 39955), (2227, 32635), (5185, 14017), (6527, 11135), (7991, 9095)]