251291216

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{13099}}^1$

素因数の和:13227

約数の個数: 40

約数和(自身を含む): 536052000

約数和(自身を除く): 284760784

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 109, 176, 218, 436, 872, 1199, 1744, 2398, 4796, 9592, 13099, 19184, 26198, 52396, 104792, 144089, 209584, 288178, 576356, 1152712, 1427791, 2305424, 2855582, 5711164, 11422328, 15705701, 22844656, 31411402, 62822804, 125645608, 251291216]

約数ペア:

[(1, 251291216), (2, 125645608), (4, 62822804), (8, 31411402), (11, 22844656), (16, 15705701), (22, 11422328), (44, 5711164), (88, 2855582), (109, 2305424), (176, 1427791), (218, 1152712), (436, 576356), (872, 288178), (1199, 209584), (1744, 144089), (2398, 104792), (4796, 52396), (9592, 26198), (13099, 19184)]