66785530

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{19471}}^1$

素因数の和:19499

約数の個数: 32

約数和(自身を含む): 140198400

約数和(自身を除く): 73412870

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 19471, 38942, 97355, 136297, 194710, 272594, 681485, 954079, 1362970, 1908158, 4770395, 6678553, 9540790, 13357106, 33392765, 66785530]

約数ペア:

[(1, 66785530), (2, 33392765), (5, 13357106), (7, 9540790), (10, 6678553), (14, 4770395), (35, 1908158), (49, 1362970), (70, 954079), (98, 681485), (245, 272594), (343, 194710), (490, 136297), (686, 97355), (1715, 38942), (3430, 19471)]