81998336

素因数分解:

$2^9\times 7^1\times {\mathrm{137}}^1\times {\mathrm{167}}^1$

素因数の和:329

約数の個数: 80

約数和(自身を含む): 189737856

約数和(自身を除く): 107739520

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 137, 167, 224, 256, 274, 334, 448, 512, 548, 668, 896, 959, 1096, 1169, 1336, 1792, 1918, 2192, 2338, 2672, 3584, 3836, 4384, 4676, 5344, 7672, 8768, 9352, 10688, 15344, 17536, 18704, 21376, 22879, 30688, 35072, 37408, 42752, 45758, 61376, 70144, 74816, 85504, 91516, 122752, 149632, 160153, 183032, 245504, 299264, 320306, 366064, 491008, 598528, 640612, 732128, 1281224, 1464256, 2562448, 2928512, 5124896, 5857024, 10249792, 11714048, 20499584, 40999168, 81998336]

約数ペア:

[(1, 81998336), (2, 40999168), (4, 20499584), (7, 11714048), (8, 10249792), (14, 5857024), (16, 5124896), (28, 2928512), (32, 2562448), (56, 1464256), (64, 1281224), (112, 732128), (128, 640612), (137, 598528), (167, 491008), (224, 366064), (256, 320306), (274, 299264), (334, 245504), (448, 183032), (512, 160153), (548, 149632), (668, 122752), (896, 91516), (959, 85504), (1096, 74816), (1169, 70144), (1336, 61376), (1792, 45758), (1918, 42752), (2192, 37408), (2338, 35072), (2672, 30688), (3584, 22879), (3836, 21376), (4384, 18704), (4676, 17536), (5344, 15344), (7672, 10688), (8768, 9352)]