31409168

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:264

約数の個数: 80

約数和(自身を含む): 73923840

約数和(自身を除く): 42514672

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 89, 92, 112, 137, 161, 178, 184, 274, 322, 356, 368, 548, 623, 644, 712, 959, 1096, 1246, 1288, 1424, 1918, 2047, 2192, 2492, 2576, 3151, 3836, 4094, 4984, 6302, 7672, 8188, 9968, 12193, 12604, 14329, 15344, 16376, 22057, 24386, 25208, 28658, 32752, 44114, 48772, 50416, 57316, 85351, 88228, 97544, 114632, 170702, 176456, 195088, 229264, 280439, 341404, 352912, 560878, 682808, 1121756, 1365616, 1963073, 2243512, 3926146, 4487024, 7852292, 15704584, 31409168]

約数ペア:

[(1, 31409168), (2, 15704584), (4, 7852292), (7, 4487024), (8, 3926146), (14, 2243512), (16, 1963073), (23, 1365616), (28, 1121756), (46, 682808), (56, 560878), (89, 352912), (92, 341404), (112, 280439), (137, 229264), (161, 195088), (178, 176456), (184, 170702), (274, 114632), (322, 97544), (356, 88228), (368, 85351), (548, 57316), (623, 50416), (644, 48772), (712, 44114), (959, 32752), (1096, 28658), (1246, 25208), (1288, 24386), (1424, 22057), (1918, 16376), (2047, 15344), (2192, 14329), (2492, 12604), (2576, 12193), (3151, 9968), (3836, 8188), (4094, 7672), (4984, 6302)]