221200679

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{1123}}^1\times {\mathrm{1481}}^1$

素因数の和:2630

約数の個数: 16

約数和(自身を含む): 266522880

約数和(自身を除く): 45322201

約数列:

[1, 7, 19, 133, 1123, 1481, 7861, 10367, 21337, 28139, 149359, 196973, 1663163, 11642141, 31600097, 221200679]

約数ペア:

[(1, 221200679), (7, 31600097), (19, 11642141), (133, 1663163), (1123, 196973), (1481, 149359), (7861, 28139), (10367, 21337)]