978042961

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{38693}}^1$

素因数の和:38880

約数の個数: 16

約数和(自身を含む): 1173821184

約数和(自身を除く): 195778223

約数列:

[1, 7, 23, 157, 161, 1099, 3611, 25277, 38693, 270851, 889939, 6074801, 6229573, 42523607, 139720423, 978042961]

約数ペア:

[(1, 978042961), (7, 139720423), (23, 42523607), (157, 6229573), (161, 6074801), (1099, 889939), (3611, 270851), (25277, 38693)]