211487939

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{1949}}^1$

素因数の和:2470

約数の個数: 16

約数和(自身を含む): 241768800

約数和(自身を除く): 30280861

約数列:

[1, 13, 17, 221, 491, 1949, 6383, 8347, 25337, 33133, 108511, 430729, 956959, 12440467, 16268303, 211487939]

約数ペア:

[(1, 211487939), (13, 16268303), (17, 12440467), (221, 956959), (491, 430729), (1949, 108511), (6383, 33133), (8347, 25337)]