72228688

素因数分解:

$2^4\times 7^1\times {\mathrm{644899}}^1$

素因数の和:644914

約数の個数: 20

約数和(自身を含む): 159935200

約数和(自身を除く): 87706512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 644899, 1289798, 2579596, 4514293, 5159192, 9028586, 10318384, 18057172, 36114344, 72228688]

約数ペア:

[(1, 72228688), (2, 36114344), (4, 18057172), (7, 10318384), (8, 9028586), (14, 5159192), (16, 4514293), (28, 2579596), (56, 1289798), (112, 644899)]