87991036

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{51517}}^1$

素因数の和:51589

約数の個数: 24

約数和(自身を含む): 178870496

約数和(自身を除く): 90879460

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 51517, 103034, 206068, 360619, 721238, 1442476, 3142537, 6285074, 12570148, 21997759, 43995518, 87991036]

約数ペア:

[(1, 87991036), (2, 43995518), (4, 21997759), (7, 12570148), (14, 6285074), (28, 3142537), (61, 1442476), (122, 721238), (244, 360619), (427, 206068), (854, 103034), (1708, 51517)]