215525518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{1427}}^1$

素因数の和:1636

約数の個数: 32

約数和(自身を含む): 360095904

約数和(自身を除く): 144570386

約数列:

[1, 2, 13, 26, 37, 74, 157, 314, 481, 962, 1427, 2041, 2854, 4082, 5809, 11618, 18551, 37102, 52799, 75517, 105598, 151034, 224039, 448078, 686387, 1372774, 2912507, 5825014, 8289443, 16578886, 107762759, 215525518]

約数ペア:

[(1, 215525518), (2, 107762759), (13, 16578886), (26, 8289443), (37, 5825014), (74, 2912507), (157, 1372774), (314, 686387), (481, 448078), (962, 224039), (1427, 151034), (2041, 105598), (2854, 75517), (4082, 52799), (5809, 37102), (11618, 18551)]