166403536

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 362976768

約数和(自身を除く): 196573232

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 131, 197, 208, 248, 262, 394, 403, 496, 524, 788, 806, 1048, 1576, 1612, 1703, 2096, 2561, 3152, 3224, 3406, 4061, 5122, 6107, 6448, 6812, 8122, 10244, 12214, 13624, 16244, 20488, 24428, 25807, 27248, 32488, 40976, 48856, 51614, 52793, 64976, 79391, 97712, 103228, 105586, 158782, 206456, 211172, 317564, 335491, 412912, 422344, 635128, 670982, 800017, 844688, 1270256, 1341964, 1600034, 2683928, 3200068, 5367856, 6400136, 10400221, 12800272, 20800442, 41600884, 83201768, 166403536]

約数ペア:

[(1, 166403536), (2, 83201768), (4, 41600884), (8, 20800442), (13, 12800272), (16, 10400221), (26, 6400136), (31, 5367856), (52, 3200068), (62, 2683928), (104, 1600034), (124, 1341964), (131, 1270256), (197, 844688), (208, 800017), (248, 670982), (262, 635128), (394, 422344), (403, 412912), (496, 335491), (524, 317564), (788, 211172), (806, 206456), (1048, 158782), (1576, 105586), (1612, 103228), (1703, 97712), (2096, 79391), (2561, 64976), (3152, 52793), (3224, 51614), (3406, 48856), (4061, 40976), (5122, 32488), (6107, 27248), (6448, 25807), (6812, 24428), (8122, 20488), (10244, 16244), (12214, 13624)]