81836566

素因数分解:

$2^1\times 7^2\times {\mathrm{419}}^1\times {\mathrm{1993}}^1$

素因数の和:2428

約数の個数: 24

約数和(自身を含む): 143209080

約数和(自身を除く): 61372514

約数列:

[1, 2, 7, 14, 49, 98, 419, 838, 1993, 2933, 3986, 5866, 13951, 20531, 27902, 41062, 97657, 195314, 835067, 1670134, 5845469, 11690938, 40918283, 81836566]

約数ペア:

[(1, 81836566), (2, 40918283), (7, 11690938), (14, 5845469), (49, 1670134), (98, 835067), (419, 195314), (838, 97657), (1993, 41062), (2933, 27902), (3986, 20531), (5866, 13951)]