213281744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1025393}}^1$

素因数の和:1025414

約数の個数: 20

約数和(自身を含む): 445020996

約数和(自身を除く): 231739252

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1025393, 2050786, 4101572, 8203144, 13330109, 16406288, 26660218, 53320436, 106640872, 213281744]

約数ペア:

[(1, 213281744), (2, 106640872), (4, 53320436), (8, 26660218), (13, 16406288), (16, 13330109), (26, 8203144), (52, 4101572), (104, 2050786), (208, 1025393)]