256675216

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2693}}^1$

素因数の和:2768

約数の個数: 80

約数和(自身を含む): 609318144

約数和(自身を除く): 352642928

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 37, 46, 56, 74, 92, 112, 148, 161, 184, 259, 296, 322, 368, 518, 592, 644, 851, 1036, 1288, 1702, 2072, 2576, 2693, 3404, 4144, 5386, 5957, 6808, 10772, 11914, 13616, 18851, 21544, 23828, 37702, 43088, 47656, 61939, 75404, 95312, 99641, 123878, 150808, 199282, 247756, 301616, 398564, 433573, 495512, 697487, 797128, 867146, 991024, 1394974, 1594256, 1734292, 2291743, 2789948, 3468584, 4583486, 5579896, 6937168, 9166972, 11159792, 16042201, 18333944, 32084402, 36667888, 64168804, 128337608, 256675216]

約数ペア:

[(1, 256675216), (2, 128337608), (4, 64168804), (7, 36667888), (8, 32084402), (14, 18333944), (16, 16042201), (23, 11159792), (28, 9166972), (37, 6937168), (46, 5579896), (56, 4583486), (74, 3468584), (92, 2789948), (112, 2291743), (148, 1734292), (161, 1594256), (184, 1394974), (259, 991024), (296, 867146), (322, 797128), (368, 697487), (518, 495512), (592, 433573), (644, 398564), (851, 301616), (1036, 247756), (1288, 199282), (1702, 150808), (2072, 123878), (2576, 99641), (2693, 95312), (3404, 75404), (4144, 61939), (5386, 47656), (5957, 43088), (6808, 37702), (10772, 23828), (11914, 21544), (13616, 18851)]