30907724

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{643}}^1$

素因数の和:905

約数の個数: 24

約数和(自身を含む): 55340208

約数和(自身を除く): 24432484

約数列:

[1, 2, 4, 61, 122, 197, 244, 394, 643, 788, 1286, 2572, 12017, 24034, 39223, 48068, 78446, 126671, 156892, 253342, 506684, 7726931, 15453862, 30907724]

約数ペア:

[(1, 30907724), (2, 15453862), (4, 7726931), (61, 506684), (122, 253342), (197, 156892), (244, 126671), (394, 78446), (643, 48068), (788, 39223), (1286, 24034), (2572, 12017)]