215851804

素因数分解:

$2^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{43067}}^1$

素因数の和:43257

約数の個数: 24

約数和(自身を含む): 434125440

約数和(自身を除く): 218273636

約数列:

[1, 2, 4, 7, 14, 28, 179, 358, 716, 1253, 2506, 5012, 43067, 86134, 172268, 301469, 602938, 1205876, 7708993, 15417986, 30835972, 53962951, 107925902, 215851804]

約数ペア:

[(1, 215851804), (2, 107925902), (4, 53962951), (7, 30835972), (14, 15417986), (28, 7708993), (179, 1205876), (358, 602938), (716, 301469), (1253, 172268), (2506, 86134), (5012, 43067)]