201212121616

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{27767}}^1$

素因数の和:28013

約数の個数: 120

約数和(自身を含む): 453370357440

約数和(自身を除く): 252158235824

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 121, 152, 176, 197, 209, 242, 304, 394, 418, 484, 788, 836, 968, 1576, 1672, 1936, 2167, 2299, 3152, 3344, 3743, 4334, 4598, 7486, 8668, 9196, 14972, 17336, 18392, 23837, 27767, 29944, 34672, 36784, 41173, 47674, 55534, 59888, 82346, 95348, 111068, 164692, 190696, 222136, 305437, 329384, 381392, 444272, 452903, 527573, 610874, 658768, 905806, 1055146, 1221748, 1811612, 2110292, 2443496, 3359807, 3623224, 4220584, 4886992, 5470099, 5803303, 6719614, 7246448, 8441168, 10940198, 11606606, 13439228, 21880396, 23213212, 26878456, 43760792, 46426424, 53756912, 60171089, 63836333, 87521584, 92852848, 103931881, 120342178, 127672666, 207863762, 240684356, 255345332, 415727524, 481368712, 510690664, 661881979, 831455048, 962737424, 1021381328, 1143250691, 1323763958, 1662910096, 2286501382, 2647527916, 4573002764, 5295055832, 9146005528, 10590111664, 12575757601, 18292011056, 25151515202, 50303030404, 100606060808, 201212121616]

約数ペア:

[(1, 201212121616), (2, 100606060808), (4, 50303030404), (8, 25151515202), (11, 18292011056), (16, 12575757601), (19, 10590111664), (22, 9146005528), (38, 5295055832), (44, 4573002764), (76, 2647527916), (88, 2286501382), (121, 1662910096), (152, 1323763958), (176, 1143250691), (197, 1021381328), (209, 962737424), (242, 831455048), (304, 661881979), (394, 510690664), (418, 481368712), (484, 415727524), (788, 255345332), (836, 240684356), (968, 207863762), (1576, 127672666), (1672, 120342178), (1936, 103931881), (2167, 92852848), (2299, 87521584), (3152, 63836333), (3344, 60171089), (3743, 53756912), (4334, 46426424), (4598, 43760792), (7486, 26878456), (8668, 23213212), (9196, 21880396), (14972, 13439228), (17336, 11606606), (18392, 10940198), (23837, 8441168), (27767, 7246448), (29944, 6719614), (34672, 5803303), (36784, 5470099), (41173, 4886992), (47674, 4220584), (55534, 3623224), (59888, 3359807), (82346, 2443496), (95348, 2110292), (111068, 1811612), (164692, 1221748), (190696, 1055146), (222136, 905806), (305437, 658768), (329384, 610874), (381392, 527573), (444272, 452903)]