28915369

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{1321}}^1$

素因数の和:1440

約数の個数: 16

約数和(自身を含む): 34266240

約数和(自身を除く): 5350871

約数列:

[1, 7, 53, 59, 371, 413, 1321, 3127, 9247, 21889, 70013, 77939, 490091, 545573, 4130767, 28915369]

約数ペア:

[(1, 28915369), (7, 4130767), (53, 545573), (59, 490091), (371, 77939), (413, 70013), (1321, 21889), (3127, 9247)]