81615982

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{306827}}^1$

素因数の和:306855

約数の個数: 16

約数和(自身を含む): 147277440

約数和(自身を除く): 65661458

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 306827, 613654, 2147789, 4295578, 5829713, 11659426, 40807991, 81615982]

約数ペア:

[(1, 81615982), (2, 40807991), (7, 11659426), (14, 5829713), (19, 4295578), (38, 2147789), (133, 613654), (266, 306827)]