161861504

素因数分解:

$2^7\times 7^2\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:356

約数の個数: 96

約数和(自身を含む): 379886760

約数和(自身を除く): 218025256

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 131, 196, 197, 224, 262, 392, 394, 448, 524, 784, 788, 896, 917, 1048, 1379, 1568, 1576, 1834, 2096, 2758, 3136, 3152, 3668, 4192, 5516, 6272, 6304, 6419, 7336, 8384, 9653, 11032, 12608, 12838, 14672, 16768, 19306, 22064, 25216, 25676, 25807, 29344, 38612, 44128, 51352, 51614, 58688, 77224, 88256, 102704, 103228, 117376, 154448, 176512, 180649, 205408, 206456, 308896, 361298, 410816, 412912, 617792, 722596, 821632, 825824, 1235584, 1264543, 1445192, 1651648, 2529086, 2890384, 3303296, 5058172, 5780768, 10116344, 11561536, 20232688, 23123072, 40465376, 80930752, 161861504]

約数ペア:

[(1, 161861504), (2, 80930752), (4, 40465376), (7, 23123072), (8, 20232688), (14, 11561536), (16, 10116344), (28, 5780768), (32, 5058172), (49, 3303296), (56, 2890384), (64, 2529086), (98, 1651648), (112, 1445192), (128, 1264543), (131, 1235584), (196, 825824), (197, 821632), (224, 722596), (262, 617792), (392, 412912), (394, 410816), (448, 361298), (524, 308896), (784, 206456), (788, 205408), (896, 180649), (917, 176512), (1048, 154448), (1379, 117376), (1568, 103228), (1576, 102704), (1834, 88256), (2096, 77224), (2758, 58688), (3136, 51614), (3152, 51352), (3668, 44128), (4192, 38612), (5516, 29344), (6272, 25807), (6304, 25676), (6419, 25216), (7336, 22064), (8384, 19306), (9653, 16768), (11032, 14672), (12608, 12838)]