199406987

素因数分解:

${\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{61}}^1$

素因数の和:168

約数の個数: 36

約数和(自身を含む): 237176784

約数和(自身を除く): 37769797

約数列:

[1, 13, 23, 29, 61, 169, 299, 377, 667, 793, 841, 1403, 1769, 3887, 4901, 8671, 10309, 10933, 18239, 19343, 22997, 40687, 51301, 112723, 142129, 237107, 251459, 298961, 528931, 666913, 1179923, 3268967, 6876103, 8669869, 15338999, 199406987]

約数ペア:

[(1, 199406987), (13, 15338999), (23, 8669869), (29, 6876103), (61, 3268967), (169, 1179923), (299, 666913), (377, 528931), (667, 298961), (793, 251459), (841, 237107), (1403, 142129), (1769, 112723), (3887, 51301), (4901, 40687), (8671, 22997), (10309, 19343), (10933, 18239)]