2049775

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:100

約数の個数: 48

約数和(自身を含む): 3374784

約数和(自身を除く): 1325009

約数列:

[1, 5, 7, 13, 17, 25, 35, 53, 65, 85, 91, 119, 175, 221, 265, 325, 371, 425, 455, 595, 689, 901, 1105, 1325, 1547, 1855, 2275, 2975, 3445, 4505, 4823, 5525, 6307, 7735, 9275, 11713, 17225, 22525, 24115, 31535, 38675, 58565, 81991, 120575, 157675, 292825, 409955, 2049775]

約数ペア:

[(1, 2049775), (5, 409955), (7, 292825), (13, 157675), (17, 120575), (25, 81991), (35, 58565), (53, 38675), (65, 31535), (85, 24115), (91, 22525), (119, 17225), (175, 11713), (221, 9275), (265, 7735), (325, 6307), (371, 5525), (425, 4823), (455, 4505), (595, 3445), (689, 2975), (901, 2275), (1105, 1855), (1325, 1547)]