2820565454

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{21661}}^1$

素因数の和:21872

約数の個数: 32

約数和(自身を含む): 4941015552

約数和(自身を除く): 2120450098

約数列:

[1, 2, 7, 14, 71, 131, 142, 262, 497, 917, 994, 1834, 9301, 18602, 21661, 43322, 65107, 130214, 151627, 303254, 1537931, 2837591, 3075862, 5675182, 10765517, 19863137, 21531034, 39726274, 201468961, 402937922, 1410282727, 2820565454]

約数ペア:

[(1, 2820565454), (2, 1410282727), (7, 402937922), (14, 201468961), (71, 39726274), (131, 21531034), (142, 19863137), (262, 10765517), (497, 5675182), (917, 3075862), (994, 2837591), (1834, 1537931), (9301, 303254), (18602, 151627), (21661, 130214), (43322, 65107)]