81269972

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{93629}}^1$

素因数の和:93671

約数の個数: 24

約数和(自身を含む): 167784960

約数和(自身を除く): 86514988

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 93629, 187258, 374516, 655403, 1310806, 2621612, 2902499, 5804998, 11609996, 20317493, 40634986, 81269972]

約数ペア:

[(1, 81269972), (2, 40634986), (4, 20317493), (7, 11609996), (14, 5804998), (28, 2902499), (31, 2621612), (62, 1310806), (124, 655403), (217, 374516), (434, 187258), (868, 93629)]