28647364

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{5309}}^1$

素因数の和:5403

約数の個数: 24

約数和(自身を含む): 53524800

約数和(自身を除く): 24877436

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 284, 1349, 2698, 5309, 5396, 10618, 21236, 100871, 201742, 376939, 403484, 753878, 1507756, 7161841, 14323682, 28647364]

約数ペア:

[(1, 28647364), (2, 14323682), (4, 7161841), (19, 1507756), (38, 753878), (71, 403484), (76, 376939), (142, 201742), (284, 100871), (1349, 21236), (2698, 10618), (5309, 5396)]