287003639

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 338022720

約数和(自身を除く): 51019081

約数列:

[1, 13, 17, 53, 107, 221, 229, 689, 901, 1391, 1819, 2977, 3893, 5671, 11713, 12137, 23647, 24503, 50609, 73723, 96407, 157781, 206329, 318539, 416551, 1253291, 1298659, 2682277, 5415163, 16882567, 22077203, 287003639]

約数ペア:

[(1, 287003639), (13, 22077203), (17, 16882567), (53, 5415163), (107, 2682277), (221, 1298659), (229, 1253291), (689, 416551), (901, 318539), (1391, 206329), (1819, 157781), (2977, 96407), (3893, 73723), (5671, 50609), (11713, 24503), (12137, 23647)]