307406

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:259

約数の個数: 16

約数和(自身を含む): 511920

約数和(自身を除く): 204514

約数列:

[1, 2, 11, 22, 89, 157, 178, 314, 979, 1727, 1958, 3454, 13973, 27946, 153703, 307406]

約数ペア:

[(1, 307406), (2, 153703), (11, 27946), (22, 13973), (89, 3454), (157, 1958), (178, 1727), (314, 979)]