218944921

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 257796000

約数和(自身を除く): 38851079

約数列:

[1, 13, 17, 61, 109, 149, 221, 793, 1037, 1417, 1853, 1937, 2533, 6649, 9089, 13481, 16241, 24089, 32929, 86437, 113033, 118157, 154513, 211133, 276097, 990701, 1469429, 2008669, 3589261, 12879113, 16841917, 218944921]

約数ペア:

[(1, 218944921), (13, 16841917), (17, 12879113), (61, 3589261), (109, 2008669), (149, 1469429), (221, 990701), (793, 276097), (1037, 211133), (1417, 154513), (1853, 118157), (1937, 113033), (2533, 86437), (6649, 32929), (9089, 24089), (13481, 16241)]