81362104

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{557}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 166228200

約数和(自身を除く): 84866096

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 248, 557, 589, 961, 1114, 1178, 1922, 2228, 2356, 3844, 4456, 4712, 7688, 10583, 17267, 18259, 21166, 34534, 36518, 42332, 69068, 73036, 84664, 138136, 146072, 328073, 535277, 656146, 1070554, 1312292, 2141108, 2624584, 4282216, 10170263, 20340526, 40681052, 81362104]

約数ペア:

[(1, 81362104), (2, 40681052), (4, 20340526), (8, 10170263), (19, 4282216), (31, 2624584), (38, 2141108), (62, 1312292), (76, 1070554), (124, 656146), (152, 535277), (248, 328073), (557, 146072), (589, 138136), (961, 84664), (1114, 73036), (1178, 69068), (1922, 42332), (2228, 36518), (2356, 34534), (3844, 21166), (4456, 18259), (4712, 17267), (7688, 10583)]