66971504

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{220301}}^1$

素因数の和:220328

約数の個数: 20

約数和(自身を含む): 136587240

約数和(自身を除く): 69615736

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 220301, 440602, 881204, 1762408, 3524816, 4185719, 8371438, 16742876, 33485752, 66971504]

約数ペア:

[(1, 66971504), (2, 33485752), (4, 16742876), (8, 8371438), (16, 4185719), (19, 3524816), (38, 1762408), (76, 881204), (152, 440602), (304, 220301)]