1285803415

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{27061}}^1$

素因数の和:27139

約数の個数: 32

約数和(自身を含む): 1800380736

約数和(自身を除く): 514577321

約数列:

[1, 5, 13, 17, 43, 65, 85, 215, 221, 559, 731, 1105, 2795, 3655, 9503, 27061, 47515, 135305, 351793, 460037, 1163623, 1758965, 2300185, 5818115, 5980481, 15127099, 19781591, 29902405, 75635495, 98907955, 257160683, 1285803415]

約数ペア:

[(1, 1285803415), (5, 257160683), (13, 98907955), (17, 75635495), (43, 29902405), (65, 19781591), (85, 15127099), (215, 5980481), (221, 5818115), (559, 2300185), (731, 1758965), (1105, 1163623), (2795, 460037), (3655, 351793), (9503, 135305), (27061, 47515)]