77978128

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{1433}}^1$

素因数の和:1639

約数の個数: 40

約数和(自身を含む): 160034400

約数和(自身を除く): 82056272

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 179, 304, 358, 716, 1432, 1433, 2864, 2866, 3401, 5732, 6802, 11464, 13604, 22928, 27208, 27227, 54416, 54454, 108908, 217816, 256507, 435632, 513014, 1026028, 2052056, 4104112, 4873633, 9747266, 19494532, 38989064, 77978128]

約数ペア:

[(1, 77978128), (2, 38989064), (4, 19494532), (8, 9747266), (16, 4873633), (19, 4104112), (38, 2052056), (76, 1026028), (152, 513014), (179, 435632), (304, 256507), (358, 217816), (716, 108908), (1432, 54454), (1433, 54416), (2864, 27227), (2866, 27208), (3401, 22928), (5732, 13604), (6802, 11464)]