31815154

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{16349}}^1$

素因数の和:16497

約数の個数: 16

約数和(自身を含む): 54936000

約数和(自身を除く): 23120846

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 16349, 32698, 114443, 228886, 2272511, 4545022, 15907577, 31815154]

約数ペア:

[(1, 31815154), (2, 15907577), (7, 4545022), (14, 2272511), (139, 228886), (278, 114443), (973, 32698), (1946, 16349)]