80878876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{383}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 158957568

約数和(自身を除く): 78078692

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 131, 262, 383, 403, 524, 766, 806, 1532, 1612, 1703, 3406, 4061, 4979, 6812, 8122, 9958, 11873, 16244, 19916, 23746, 47492, 50173, 52793, 100346, 105586, 154349, 200692, 211172, 308698, 617396, 652249, 1304498, 1555363, 2608996, 3110726, 6221452, 20219719, 40439438, 80878876]

約数ペア:

[(1, 80878876), (2, 40439438), (4, 20219719), (13, 6221452), (26, 3110726), (31, 2608996), (52, 1555363), (62, 1304498), (124, 652249), (131, 617396), (262, 308698), (383, 211172), (403, 200692), (524, 154349), (766, 105586), (806, 100346), (1532, 52793), (1612, 50173), (1703, 47492), (3406, 23746), (4061, 19916), (4979, 16244), (6812, 11873), (8122, 9958)]