42381989

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 49278240

約数和(自身を除く): 6896251

約数列:

[1, 13, 19, 67, 169, 197, 247, 871, 1273, 2561, 3211, 3743, 11323, 13199, 16549, 33293, 48659, 171587, 215137, 250781, 632567, 2230631, 3260153, 42381989]

約数ペア:

[(1, 42381989), (13, 3260153), (19, 2230631), (67, 632567), (169, 250781), (197, 215137), (247, 171587), (871, 48659), (1273, 33293), (2561, 16549), (3211, 13199), (3743, 11323)]