71287984

素因数分解:

$2^4\times {\mathrm{659}}^1\times {\mathrm{6761}}^1$

素因数の和:7428

約数の個数: 20

約数和(自身を含む): 138350520

約数和(自身を除く): 67062536

約数列:

[1, 2, 4, 8, 16, 659, 1318, 2636, 5272, 6761, 10544, 13522, 27044, 54088, 108176, 4455499, 8910998, 17821996, 35643992, 71287984]

約数ペア:

[(1, 71287984), (2, 35643992), (4, 17821996), (8, 8910998), (16, 4455499), (659, 108176), (1318, 54088), (2636, 27044), (5272, 13522), (6761, 10544)]