67990130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16871}}^1$

素因数の和:16922

約数の個数: 32

約数和(自身を含む): 136055808

約数和(自身を除く): 68065678

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 16871, 33742, 84355, 168710, 219323, 438646, 523001, 1046002, 1096615, 2193230, 2615005, 5230010, 6799013, 13598026, 33995065, 67990130]

約数ペア:

[(1, 67990130), (2, 33995065), (5, 13598026), (10, 6799013), (13, 5230010), (26, 2615005), (31, 2193230), (62, 1096615), (65, 1046002), (130, 523001), (155, 438646), (310, 219323), (403, 168710), (806, 84355), (2015, 33742), (4030, 16871)]