17897243

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{503}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 24385536

約数和(自身を除く): 6488293

約数列:

[1, 7, 13, 17, 23, 91, 119, 161, 221, 299, 391, 503, 1547, 2093, 2737, 3521, 5083, 6539, 8551, 11569, 35581, 45773, 59857, 80983, 111163, 150397, 196673, 778141, 1052779, 1376711, 2556749, 17897243]

約数ペア:

[(1, 17897243), (7, 2556749), (13, 1376711), (17, 1052779), (23, 778141), (91, 196673), (119, 150397), (161, 111163), (221, 80983), (299, 59857), (391, 45773), (503, 35581), (1547, 11569), (2093, 8551), (2737, 6539), (3521, 5083)]