90420491

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1\times {\mathrm{971}}^1$

素因数の和:1282

約数の個数: 16

約数和(自身を含む): 105815808

約数和(自身を除く): 15395317

約数列:

[1, 7, 53, 251, 371, 971, 1757, 6797, 13303, 51463, 93121, 243721, 360241, 1706047, 12917213, 90420491]

約数ペア:

[(1, 90420491), (7, 12917213), (53, 1706047), (251, 360241), (371, 243721), (971, 93121), (1757, 51463), (6797, 13303)]