161039872

素因数分解:

$2^9\times 7^4\times {\mathrm{131}}^1$

素因数の和:177

約数の個数: 100

約数和(自身を含む): 378235836

約数和(自身を除く): 217195964

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 131, 196, 224, 256, 262, 343, 392, 448, 512, 524, 686, 784, 896, 917, 1048, 1372, 1568, 1792, 1834, 2096, 2401, 2744, 3136, 3584, 3668, 4192, 4802, 5488, 6272, 6419, 7336, 8384, 9604, 10976, 12544, 12838, 14672, 16768, 19208, 21952, 25088, 25676, 29344, 33536, 38416, 43904, 44933, 51352, 58688, 67072, 76832, 87808, 89866, 102704, 117376, 153664, 175616, 179732, 205408, 234752, 307328, 314531, 359464, 410816, 469504, 614656, 629062, 718928, 821632, 1229312, 1258124, 1437856, 1643264, 2516248, 2875712, 3286528, 5032496, 5751424, 10064992, 11502848, 20129984, 23005696, 40259968, 80519936, 161039872]

約数ペア:

[(1, 161039872), (2, 80519936), (4, 40259968), (7, 23005696), (8, 20129984), (14, 11502848), (16, 10064992), (28, 5751424), (32, 5032496), (49, 3286528), (56, 2875712), (64, 2516248), (98, 1643264), (112, 1437856), (128, 1258124), (131, 1229312), (196, 821632), (224, 718928), (256, 629062), (262, 614656), (343, 469504), (392, 410816), (448, 359464), (512, 314531), (524, 307328), (686, 234752), (784, 205408), (896, 179732), (917, 175616), (1048, 153664), (1372, 117376), (1568, 102704), (1792, 89866), (1834, 87808), (2096, 76832), (2401, 67072), (2744, 58688), (3136, 51352), (3584, 44933), (3668, 43904), (4192, 38416), (4802, 33536), (5488, 29344), (6272, 25676), (6419, 25088), (7336, 21952), (8384, 19208), (9604, 16768), (10976, 14672), (12544, 12838)]