8991199

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1009}}^1$

素因数の和:1102

約数の個数: 16

約数和(自身を含む): 10988800

約数和(自身を除く): 1997601

約数列:

[1, 7, 19, 67, 133, 469, 1009, 1273, 7063, 8911, 19171, 67603, 134197, 473221, 1284457, 8991199]

約数ペア:

[(1, 8991199), (7, 1284457), (19, 473221), (67, 134197), (133, 67603), (469, 19171), (1009, 8911), (1273, 7063)]