72216428

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{1321}}^1$

素因数の和:1577

約数の個数: 24

約数和(自身を含む): 128815680

約数和(自身を除く): 56599252

約数列:

[1, 2, 4, 79, 158, 173, 316, 346, 692, 1321, 2642, 5284, 13667, 27334, 54668, 104359, 208718, 228533, 417436, 457066, 914132, 18054107, 36108214, 72216428]

約数ペア:

[(1, 72216428), (2, 36108214), (4, 18054107), (79, 914132), (158, 457066), (173, 417436), (316, 228533), (346, 208718), (692, 104359), (1321, 54668), (2642, 27334), (5284, 13667)]