81337118

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{101}}^1\times {\mathrm{419}}^1$

素因数の和:584

約数の個数: 24

約数和(自身を含む): 127620360

約数和(自身を除く): 46283242

約数列:

[1, 2, 31, 62, 101, 202, 419, 838, 961, 1922, 3131, 6262, 12989, 25978, 42319, 84638, 97061, 194122, 402659, 805318, 1311889, 2623778, 40668559, 81337118]

約数ペア:

[(1, 81337118), (2, 40668559), (31, 2623778), (62, 1311889), (101, 805318), (202, 402659), (419, 194122), (838, 97061), (961, 84638), (1922, 42319), (3131, 25978), (6262, 12989)]