28987673

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 36771840

約数和(自身を除く): 7784167

約数列:

[1, 11, 13, 19, 47, 143, 209, 227, 247, 517, 611, 893, 2497, 2717, 2951, 4313, 6721, 9823, 10669, 11609, 32461, 47443, 56069, 117359, 127699, 138697, 202711, 616759, 1525667, 2229821, 2635243, 28987673]

約数ペア:

[(1, 28987673), (11, 2635243), (13, 2229821), (19, 1525667), (47, 616759), (143, 202711), (209, 138697), (227, 127699), (247, 117359), (517, 56069), (611, 47443), (893, 32461), (2497, 11609), (2717, 10669), (2951, 9823), (4313, 6721)]