209016808

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{607}}^1$

素因数の和:687

約数の個数: 128

約数和(自身を含む): 539320320

約数和(自身を除く): 330303512

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 43, 44, 52, 56, 77, 86, 88, 91, 104, 143, 154, 172, 182, 286, 301, 308, 344, 364, 473, 559, 572, 602, 607, 616, 728, 946, 1001, 1118, 1144, 1204, 1214, 1892, 2002, 2236, 2408, 2428, 3311, 3784, 3913, 4004, 4249, 4472, 4856, 6149, 6622, 6677, 7826, 7891, 8008, 8498, 12298, 13244, 13354, 15652, 15782, 16996, 24596, 26101, 26488, 26708, 31304, 31564, 33992, 43043, 46739, 49192, 52202, 53416, 55237, 63128, 86086, 86801, 93478, 104404, 110474, 172172, 173602, 182707, 186956, 208808, 220948, 287111, 339313, 344344, 347204, 365414, 373912, 441896, 574222, 607607, 678626, 694408, 730828, 1148444, 1215214, 1357252, 1461656, 2009777, 2296888, 2375191, 2430428, 2714504, 3732443, 4019554, 4750382, 4860856, 7464886, 8039108, 9500764, 14929772, 16078216, 19001528, 26127101, 29859544, 52254202, 104508404, 209016808]

約数ペア:

[(1, 209016808), (2, 104508404), (4, 52254202), (7, 29859544), (8, 26127101), (11, 19001528), (13, 16078216), (14, 14929772), (22, 9500764), (26, 8039108), (28, 7464886), (43, 4860856), (44, 4750382), (52, 4019554), (56, 3732443), (77, 2714504), (86, 2430428), (88, 2375191), (91, 2296888), (104, 2009777), (143, 1461656), (154, 1357252), (172, 1215214), (182, 1148444), (286, 730828), (301, 694408), (308, 678626), (344, 607607), (364, 574222), (473, 441896), (559, 373912), (572, 365414), (602, 347204), (607, 344344), (616, 339313), (728, 287111), (946, 220948), (1001, 208808), (1118, 186956), (1144, 182707), (1204, 173602), (1214, 172172), (1892, 110474), (2002, 104404), (2236, 93478), (2408, 86801), (2428, 86086), (3311, 63128), (3784, 55237), (3913, 53416), (4004, 52202), (4249, 49192), (4472, 46739), (4856, 43043), (6149, 33992), (6622, 31564), (6677, 31304), (7826, 26708), (7891, 26488), (8008, 26101), (8498, 24596), (12298, 16996), (13244, 15782), (13354, 15652)]