87312676

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1471}}^1$

素因数の和:1576

約数の個数: 48

約数和(自身を含む): 178053120

約数和(自身を除く): 90740444

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 71, 76, 142, 209, 284, 418, 781, 836, 1349, 1471, 1562, 2698, 2942, 3124, 5396, 5884, 14839, 16181, 27949, 29678, 32362, 55898, 59356, 64724, 104441, 111796, 208882, 307439, 417764, 614878, 1148851, 1229756, 1984379, 2297702, 3968758, 4595404, 7937516, 21828169, 43656338, 87312676]

約数ペア:

[(1, 87312676), (2, 43656338), (4, 21828169), (11, 7937516), (19, 4595404), (22, 3968758), (38, 2297702), (44, 1984379), (71, 1229756), (76, 1148851), (142, 614878), (209, 417764), (284, 307439), (418, 208882), (781, 111796), (836, 104441), (1349, 64724), (1471, 59356), (1562, 55898), (2698, 32362), (2942, 29678), (3124, 27949), (5396, 16181), (5884, 14839)]