2821078561

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{337}}^1\times {\mathrm{557}}^1$

素因数の和:1033

約数の個数: 32

約数和(自身を含む): 3440136960

約数和(自身を除く): 619058399

約数列:

[1, 7, 19, 113, 133, 337, 557, 791, 2147, 2359, 3899, 6403, 10583, 15029, 38081, 44821, 62941, 74081, 187709, 266567, 440587, 723539, 1195879, 1313963, 3566471, 5064773, 8371153, 21211117, 24965297, 148477819, 403011223, 2821078561]

約数ペア:

[(1, 2821078561), (7, 403011223), (19, 148477819), (113, 24965297), (133, 21211117), (337, 8371153), (557, 5064773), (791, 3566471), (2147, 1313963), (2359, 1195879), (3899, 723539), (6403, 440587), (10583, 266567), (15029, 187709), (38081, 74081), (44821, 62941)]