243218638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{90821}}^1$

素因数の和:90939

約数の個数: 16

約数和(自身を含む): 396710496

約数和(自身を除く): 153491858

約数列:

[1, 2, 13, 26, 103, 206, 1339, 2678, 90821, 181642, 1180673, 2361346, 9354563, 18709126, 121609319, 243218638]

約数ペア:

[(1, 243218638), (2, 121609319), (13, 18709126), (26, 9354563), (103, 2361346), (206, 1180673), (1339, 181642), (2678, 90821)]