64938223

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{2707}}^1$

素因数の和:2886

約数の個数: 16

約数和(自身を含む): 77990400

約数和(自身を除く): 13052177

約数列:

[1, 7, 23, 149, 161, 1043, 2707, 3427, 18949, 23989, 62261, 403343, 435827, 2823401, 9276889, 64938223]

約数ペア:

[(1, 64938223), (7, 9276889), (23, 2823401), (149, 435827), (161, 403343), (1043, 62261), (2707, 23989), (3427, 18949)]