72143236

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{26879}}^1$

素因数の和:26955

約数の個数: 24

約数和(自身を含む): 139991040

約数和(自身を除く): 67847804

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 26879, 53758, 107516, 295669, 591338, 1182676, 1639619, 3279238, 6558476, 18035809, 36071618, 72143236]

約数ペア:

[(1, 72143236), (2, 36071618), (4, 18035809), (11, 6558476), (22, 3279238), (44, 1639619), (61, 1182676), (122, 591338), (244, 295669), (671, 107516), (1342, 53758), (2684, 26879)]