28145910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{72169}}^1$

素因数の和:72192

約数の個数: 32

約数和(自身を含む): 72747360

約数和(自身を除く): 44601450

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 72169, 144338, 216507, 360845, 433014, 721690, 938197, 1082535, 1876394, 2165070, 2814591, 4690985, 5629182, 9381970, 14072955, 28145910]

約数ペア:

[(1, 28145910), (2, 14072955), (3, 9381970), (5, 5629182), (6, 4690985), (10, 2814591), (13, 2165070), (15, 1876394), (26, 1082535), (30, 938197), (39, 721690), (65, 433014), (78, 360845), (130, 216507), (195, 144338), (390, 72169)]